Melatonin Plus Bone Loading: A Promising but Early Trial
melatoninosteogenic loadingbone density
Nutrition
341 articles
Time-Restricted Eating After Sleeve Weight Regain: Does It Help?
Can time-restricted eating improve weight regain after sleeve surgery? A close look at the lone direct trial, modest broader evidence, and trade-offs.
time-restricted eatingintermittent fastingcalorie restriction
BCAAs in Cirrhosis: Frailty Gains, Muscle Limits
Can BCAAs treat cirrhosis-related sarcopenia? A meta-analysis finds frailty and quality-of-life gains, but no proven muscle-mass benefit.
sarcopeniabcaascirrhosis
Soccer Supplements Ranked: Caffeine, Creatine, and the Data
Soccer supplements ranked across 80 trials: caffeine, creatine, and the combinations with eye-catching effect sizes that still need replication in soccer.
creatinecaffeinesodium bicarbonate
Beetroot Juice for Sprint Power: What the Evidence Shows
Can beetroot juice improve sprint power? Meta-analysis finds a small, selective benefit, while isotonic drinks remain an open question.
beetroot juicenitrate supplementationsprint performance
After 80, Whole-Food Protein Helps—But Often Falls Short
Can whole-food dairy close the protein gap after 80? A small trial shows personalized support helps, but fewer than half reached 1.35 g/kg/day at 16 weeks.
proteinsarcopeniadairy supplementation
Physical Activity
223 articles
When Does Exercise Matter Most for Dementia Risk?
Framingham data link physical activity in midlife and later life to lower dementia risk. What the finding means—and what it cannot prove.
dementia preventionexercise timingalzheimer's
Sex Before Exercise: First RCT Finds No Performance Loss
Does masturbation before exercise hurt performance? The first crossover RCT in trained men found no impairment 30 minutes later—and a 3.2% gain in cycling time.
rctmasturbationathletic performance
Eccentric Exercise Recovery: When Foam Rollers Actually Help
Eccentric exercise damage fades with specific training. Learn when preconditioning, cold water, foam rolling, and PEMF may help recovery.
muscle damagedomseccentric contractions
Can Brain Light Therapy Improve Endurance? The First Trial Says No
Prefrontal oxygenation may shape endurance, but the only randomized trial of transcranial light therapy in trained cyclists found no benefit.
central fatigueprefrontal cortexendurance performance
Exercise, HRV, and Why Training Structure Matters More Than Volume
Can exercise improve HRV? Evidence shows training helps on average, but periodization, intensity, and modality can shape cardiac vagal adaptation and recovery.
heart rate variabilityperiodizationresting rmssd
HIIT Can Delay HRV Recovery. Does Training Time Matter?
HIIT delays HRV recovery more than moderate exercise. A small trial suggests training time may affect heart-rate recovery—but not yet in healthy HIIT users.
hiithrvparasympathetic recovery
Mental Health
63 articles
Blue-Light Glasses for Mania: The Best Trial Found No Benefit
Can amber glasses stabilize bipolar mood? A blinded inpatient trial found no benefit for acute mania, despite a plausible circadian mechanism.
bipolar disorderblue lightamber glasses
Blue Light at Work: Why Color Temperature Misleads
Blue-enriched office light can improve alertness, but color temperature misleads. What mel-EDI research says about focus, sleep, and timing.
blue lightmelanopsincircadian rhythm
Curcumin, Exercise, and Mood: The Synergy Claim Has a Gap
Aerobic exercise and bioavailable curcumin each have mood evidence, but no human trial has shown their combination beats exercise alone.
bdnfcurcuminaerobic exercise
Can Probiotics or Guided Imagery Change Cortisol?
Two randomized trials tested a kefir probiotic strain and guided imagery for cortisol. The signals were small, mixed, and far from practical proof.
hpa axiscortisolstress response
Meditation, HRV, and Two Different Routes to Regulation
MBSR may improve how people use cardiac signals during emotion regulation, while slow breathing raises HRV during practice. What the evidence supports.
mbsrhrvmeditation
Can Positive Affect Raise HRV? What 36 Studies Really Show
A 2025 review links calm positive affect with higher resting HRV, but excitement can lower it—and causation remains unproven.
hrvvagal tonepositive affect
Sleep
35 articles
Sleep Apnea, Insomnia, and Dementia Risk: What We Know
Do insomnia and sleep apnea raise dementia risk? A 2025 meta-analysis links both to later cognitive decline, but treatment has not proved dementia prevention.
insomniaobstructive sleep apneaosa
Can Better Sleep Help You Lose Weight? What Trials Show
Can better sleep support weight loss? A 2026 meta-analysis finds modest benefits for poor sleepers, but sleep is no standalone obesity treatment.
cbt-isleep hygieneweight loss
Blue-Light Blocking Glasses for Sleep: What Trials Actually Show
Do blue-light blocking glasses improve sleep? Cochrane found very low-certainty evidence, while a healthy-adult trial found no objective benefit from evening lenses.
blue-light glassesmelatonincircadian rhythm
Morning Light May Matter More Than Blue Blocking Software
Blue-blocking software may improve subjective sleep, but submarine trials show that circadian-informed morning light resets the body clock more quickly.
circadian rhythmblue light exposuremorning light
Shiftwork Fatigue: What Mining Research Still Hasn’t Tested
After 40 years of research, mining fatigue programs still lack controlled trials for naps, caffeine, rosters, and detection tech. What evidence exists?
shift work fatiguebright light exposurecircadian rhythm
Rosmarinic Acid + EGCG for Sleep: One Small RCT
Can rosmarinic acid and EGCG improve sleep? One small RCT found secondary score gains but missed primary endpoints. See what the evidence supports today.
subclinical insomniapolyphenolsrosmarinic acid
Exercise Physiology
23 articles
Do Daily Movement Patterns Predict Longevity in Older Adults?
Wearables may reveal whether how older adults move through the day predicts mortality beyond step counts and total activity. Here's what the evidence shows.
wearablesphysical activityaccelerometry
Aquatic vs. Land Exercise for Balance After 65
Aquatic exercise can improve some balance scores in older adults, but resistance-plus-balance training has stronger support for gait and mobility.
older adultsaquatic exerciseland-based exercise
COVID-Era Sitting Rose Most in Children, Review Finds
COVID-era sedentary time rose most in children, less in adults and least in older adults. What those shifts do and do not say about health today.
sedentary behaviorphysical activitycovid-19
Wearable Step Counts and Chronic Disease Risk: What They Show
Wearable daily step counts and chronic disease risk: EHR-linked Fitbit data show associations, but causation and clinical prediction remain unproven.
step countwearablesfitbit
Once-Weekly HIIT May Trim Waist Size, With Limits
Can one weekly HIIT workout reduce central obesity? A trial found modest waist and fat-mass changes, but diet and lasting results still matter for health.
hiitcentral obesityfat mass
Can Everyday Movement Improve Health Without Gym Work?
Can walking, chores, standing, and movement breaks improve health? Evidence shows benefits, limits, and why they do not replace exercise.
physical activitywalkingstanding
Cardiovascular Health
21 articles
Can Exercise Restore HRV After Bariatric Surgery?
Bariatric surgery can improve metabolism while cardiac autonomic recovery lags. Four RCTs tested exercise for HRV, but results remain unresolved.
bariatric surgeryautonomic dysfunctionheart rate variability
Morning Blood Pressure Surge: Does Exercise Timing Help?
Morning versus evening HIIT did not change the morning blood pressure surge in a small trial. Training type, chronotype, and diet may matter more.
morning blood pressure surgembpsexercise timing
Blood Pressure Apps: Useful Tools, Unproven Treatment
Do blood pressure apps work? Trials find small systolic drops, but clinician support rather than software alone may explain the benefit and limit long-term value.
blood pressurehypertensiondigital health
Can Four Health Texts Lower Blood Pressure? PUSHME Says No
The PUSHME trial tested four weekly health texts in 401 people with hypertension. Blood pressure did not improve overall—here's what did.
blood pressurehypertensionbehavioral intervention
Tirzepatide and SGLT2 Inhibitors Show an AF Signal
Can tirzepatide and SGLT2 inhibitors reduce atrial fibrillation burden? New data link metabolic therapy to fewer AF procedures, but trials must confirm it.
tirzepatideatrial fibrillationglp-1 agonists
How SGLT2 Inhibitors Protect Failing Hearts Beyond Blood Sugar
SGLT2 inhibitors cut heart-failure risk beyond glucose control. What trials, remodeling data, mechanisms, safety limits, and cardio-oncology gaps show.
sglt2 inhibitorsautophagyheart failure
Frailty
15 articles
Osteosarcopenic Obesity: A Marker of Faster Aging?
Osteosarcopenic obesity predicts steeper frailty, cognitive, and mood decline in one long-term study—but it remains a risk marker, not a diagnosis.
osteosarcopenic obesityfrailtysarcopenia
Soy Protein, Walking, and Frailty: What the Evidence Shows
Can soy protein help protect mobility in later life? A cautious look at frailty, walking speed, step counts, resistance training, and what trials actually show.
frailtywalking speedsoymilk
Frailty Risk Goes Beyond Strength: What the Evidence Shows
Frailty risk involves lower-body power, intrinsic capacity, mood, eating context, and oral function—but much of the evidence remains observational.
intrinsic capacitysit-to-stand powerfrailty index
Intrinsic Capacity Declines Faster After 75, Global Study Finds
A 32-country study tracks intrinsic capacity with age. Learn what this WHO healthy-aging measure can and cannot tell us about longevity.
intrinsic capacitywhofunctional aging
Plasma Metabolomic Frailty Signatures: What They Can Predict
Plasma metabolomic frailty signatures predicted mortality in UK Biobank. See what this aging biomarker signal shows—and why it is not yet a clinical test.
plasma metabolomicsfrailty indexuk biobank
Walking, Outings, and Future Long-Term Care Costs
Can daily walking and getting out predict lower long-term care costs? Japanese cohort data link mobility with less disability and lower insured spending.
walkingolder adultslong-term care
Sarcopenia
15 articles
Sarcopenia: Who Benefits Most From Exercise and Nutrition?
Exercise and nutrition for sarcopenia: which older adults may gain the most muscle mass, why handgrip results vary, and how to personalize the plan safely.
resistance trainingnutritionolder adults
Anabolic Resistance: Real, but Not an All-Day Defect
Does aging muscle resist protein? Human tracer studies find modest fasting deficits, variable meal responses, and mixed exercise results.
anabolic resistancemuscle protein synthesisleucine
Protein for Aging Muscle: Better Endurance, Not Magic Mass
Can more protein protect aging muscle? A small trial improved walking endurance without added lean mass; exercise remains the stronger partner.
protein intakeolder adultsmuscle endurance
Sarcopenia Changes Over Time. Exercise Helps Function.
Sarcopenia can worsen, persist, or improve over time. What cohort studies and resistance-training trials actually say about activity, cognition, and recovery.
sarcopeniaolder adultsphysical activity
Why Sarcopenia Risk Changes With the Definition Used
Frailty and sarcopenia rates can change when guidelines, grip-strength cutoffs, or gait-speed tests change. Here is what mortality studies show.
sarcopeniafrailtyawgs 2019
Daily Movement and Muscle Function in Older Adults
Does moving more each day help preserve muscle function after 60? Evidence links activity and less sitting to better leg performance, yet cannot prove cause.
older adultsphysical activitysedentary behavior
Cognitive Aging
13 articles
Which Brain-Healthy Diet Scores Track Best With Dementia Risk?
A careful look at MIND, Mediterranean, DASH, HEI, and plant-based scores shows which patterns tracked best with cognition and Alzheimer's mortality.
mediterranean dietmind dietamed
Best Exercise for Brain Health After 60: What Ranks Highest
Which exercises best support cognition after 60? Review evidence on multicomponent training, Tai Chi, aerobic work, resistance exercise, and dementia limits for now.
multicomponent exercisecognitive functionmild cognitive impairment
Mediterranean Diet and Exercise for Brain Health: What Trials Show
Can a Mediterranean diet and exercise protect the aging brain? Evidence supports cognitive health, but trials have not proved dementia prevention.
mediterranean dietexercisedementia risk
Physical Activity and Cognitive Health: What the Evidence Shows
Can daily movement sharpen thinking and slow cognitive decline? Evidence supports associations, but exercise alone has not proven dementia prevention.
physical activityprocessing speedworking memory
Can a 12-Month Lifestyle Program Preserve the Aging Brain?
A 12-month lifestyle trial found localized MRI, cognition, fitness, and lipid changes in older adults—but no proof it reverses brain aging or prevents dementia.
enhance trialrandomized controlled trialmultidomain intervention
Brain Energy and Aging: What Ketone Trials Actually Show
Can brain energy change with age? Metabolic syndrome tracks with higher brain energy costs, while ketone trials in MCI offer early, limited clues.
metabolic syndromeketonesmild cognitive impairment
Longevity Research
10 articles
Urolithin A: What Human Trials Say About Mitophagy
Urolithin A may improve muscle function and alter immune-cell profiles, but small trials, short follow-up, and preclinical claims limit certainty.
urolithin acd8+ t cellsmitophagy
Do Sex Hormones Slow Epigenetic Aging? The Best Test Says No
A 1,404-person study tested estradiol, DHEAS, and testosterone-related measures against six epigenetic clocks. The results were inconsistent.
epigenetic clockstestosteronedheas
HIV, Epigenetic Aging, and Why ART Leaves a Gut Gap
HIV accelerates epigenetic aging in most studies. ART slows the trend, but gut dysfunction may sustain it—and metformin evidence remains small.
hivbiological agingdna methylation
Do Vitamin D and Omega-3 Preserve Muscle After 70?
A 3-year trial found vitamin D3, omega-3, and light home exercise did not preserve muscle or activity in healthy adults over 70.
vitamin d3omega-3muscle mass
Semaglutide’s COVID Signal in SELECT Needs Scrutiny
SELECT found semaglutide cut COVID-19 deaths without lowering infection rates. The result is intriguing, but it came from a secondary analysis with major caveats.
semaglutideglp-1covid-19
GLP-1 Beyond Weight Loss: What’s Proven and What’s Hype
Oral semaglutide is here, but the bigger story is where GLP-1 drugs help beyond weight loss: heart disease, sleep apnea, and possibly the brain.
Gut Microbiome
9 articles
The Gut-Eye Axis and Dry Eye: Plausible, Not Proven
Can probiotics help dry eye through the gut-eye axis? The immune theory is credible, but one small randomized trial found no biomarker benefit.
dry eye diseasedysbiosisgut-eye axis
Older Siblings and C-Section Microbiome Recovery
Older siblings predict gut microbiome recovery after C-section birth, but breastfeeding and confounding keep the asthma implications uncertain.
c-section dysbiosisvaginal seedingmicrobiota restoration
Can Gut Bacteria Predict Allergy Shot Success? Early Data
Can gut bacteria predict allergen immunotherapy response? A 450-person study raises the question, but bias and conflicting evidence keep it unproven.
allergen immunotherapytregsallergic rhinitis
FMT for Viral Diseases: Why the Clinical Evidence Falls Short
FMT cures recurrent C. difficile, but evidence for HIV, HBV, COVID-19, and CMV remains limited to small, confounded pilot studies.
fmtc. difficilegut dysbiosis
Gut Dysbiosis and Heart Failure: What IPA Evidence Shows
Gut dysbiosis tracks with heart failure across studies. TMAO has human data; indole-3-propionic acid remains a mitochondrial hypothesis.
gut microbiomealpha diversitydysbiosis
IBD Non-Drug Treatments: Why FMT Leads in UC, Not Crohn’s
Two 2025 network meta-analyses rank FMT, diet, and acupuncture for IBD. Results change by disease and endpoint—and Crohn's remains uncertain.
ibdfmtprobiotics
Hormones
8 articles
Laughter Yoga, Cortisol, and Menopause: What a Trial Shows
A 64-person trial linked laughter yoga plus self-care education to lower salivary cortisol and menopausal symptoms. Which part drove change remains unknown.
cortisolhpa axismenopausal symptoms
Do Vaginal Probiotics Help Menopause Symptoms?
Vaginal Lactobacillus probiotics make biological sense for menopause, but GSM trials remain too small and inconsistent to support treatment claims.
menopausegenitourinary syndromevaginal probiotics
PCOS Causes: What Mendelian Randomization Can—and Can’t—Show
A 2024 Mendelian randomization screen links insulin resistance, inflammation, gut microbes, and iron biology to PCOS risk—with major caveats.
pcosinsulin resistanceadiposity
Fezolinetant for Hot Flashes: What the Trials Actually Show
Fezolinetant reduces menopausal hot flashes without hormones. Review trial results, 52-week safety data, the serious-event signal, and key limits.
fezolinetanthot flashesmenopause
TRT Heart Safety: TRAVERSE Reassures, Clot Risk Remains
TRAVERSE found no increase in major cardiac events with TRT, but rising neutrophils, monocytes, and hematocrit may identify clot risk.
testosteronetrttraverse trial
Menopause Bone Loss Has a Metabolic Clue: Insulin Resistance
Insulin resistance may track menopause bone loss. Here is why long-term combined resistance and impact exercise deserves attention.
insulin resistancebone mineral densitymenopause
Clinical Trials
8 articles
Can Layered Support Get Rural Adults Moving More?
A rural cluster trial found more adults met activity guidelines after layered support, but total exercise minutes did not clearly rise.
physical activityaerobic guidelinecluster randomized trial
Honey vs. Sugar in Yogurt: What a Tiny Trial Found
Can honey-sweetened yogurt lower inflammation after menopause? A 20-person trial found one small biomarker signal, but its main results were null overall.
honeygreek yogurtpostmenopausal women
Can Parenting Training Change an Adolescent Brain?
A small randomized trial found brain-function changes after parent emotion coaching in at-risk girls. What it means—and what it does not prove.
parenting interventionemotion socializationadolescent girls
Virtual Rehab Improved Walking in HCT Survivors—With Limits
A randomized trial found virtual exercise and stress management improved walking in select HCT survivors, but not quality of life or grip strength at 12 months.
hematopoietic cell transplantvirtual rehabrandomized controlled trial
Vitamin D in Pregnancy: A Bone Marker Moves, Outcomes Don’t
A pregnancy RCT found vitamin D lowered a bone-resorption marker, but it did not prove protection against maternal bone loss or fractures.
vitamin dpregnancymavidos
Online Protein and Training After Cancer: Feasible, Not Proven
Can online protein counseling plus resistance training improve function after cancer? A small trial found strong adherence, but no advantage over active care.
cancer survivorsresistance trainingprotein counseling
Aging Biomarkers
8 articles
Brain Age Gaps Map Aging Biology, Not Anti-Aging Cures
Brain age gaps link MRI, genetics, metabolism, and dementia risk—but they remain research biomarkers, not proof that a treatment slows aging.
brain age gapuk biobankmendelian randomization
Blood Biomarkers May Improve Cognitive-Decline Trial Enrollment
GFAP, NfL, p-tau, and amyloid blood tests may help enroll higher-risk cognitive-decline trial participants, but they cannot yet predict your future.
gfapnflphosphorylated tau
Can Wearable Activity Rhythms Measure Aging Risk?
Seven days of wrist data can track mortality and dementia risk, but wearable rest-activity rhythms are frailty signals—not validated aging clocks.
wearable accelerometrycosinoragerest-activity rhythm
DTI-ALPS and Brain Aging: A Promising MRI Biomarker
Can DTI-ALPS measure glymphatic function and brain aging? A 40,488-person MRI study makes it a serious biomarker candidate, not a proven treatment target.
dti-alpsglymphatic systembrain aging
Can Plasma Exchange Really Make You Biologically Younger?
A sham-controlled trial found younger-looking aging biomarkers after plasma exchange. Does therapeutic plasma exchange improve healthspan?
therapeutic plasma exchangetpebiological age
Could High Glucose Drain Muscle NAD+? The Evidence
A new mouse study links high glucose to muscle NAD+ loss. Here is what exercise, NMN, coffee, and human evidence actually show.
nad+glucose sensingsarcopenia
Metabolic Health
7 articles
Tirzepatide and MASH: Can Weight Loss Track Liver Healing?
Tirzepatide resolved MASH on biopsy in phase 2 data. Can 10% weight loss, triglycerides, and MRI markers help track liver response?
tirzepatidemashliver fibrosis
Type 2 Diabetes Prevention: Why Knowing Risk Isn’t Enough
Type 2 diabetes prevention depends on sustained habits, but new reviews ask whether health literacy can close the gap between risk awareness and action.
prediabetestype 2 diabetesblood glucose
Artificial Light at Night and Metabolic Risk: What We Know
Bedroom and outdoor artificial light at night are linked to obesity, metabolic risk, and depression. Here is what the studies show—and cannot prove.
light exposuremetabolic syndromecircadian rhythm
CGM in Primary Care: Helpful, but Care Structure Matters
Continuous glucose monitoring can improve HbA1c in primary care, but short, biased studies leave major questions about durability and support.
cgmhba1cglucose control
Metabolic Syndrome: What Beats Drugs, and What Adds to Them
A 2026 meta-analysis ranked diet, exercise, and drugs for metabolic syndrome. The surprise result needs context, and GLP-1 plus exercise changes it.
metabolic syndromeglp-1 agonistsmetformin
Semaglutide Protects Kidneys and Reverses Prediabetes in SELECT Trial
SELECT secondary analyses: semaglutide cut kidney risk 22%, diabetes progression 78% in non-diabetic obese adults. Real signal, real caveats — full breakdown.
semaglutideglp-1 agonistdiabetes prevention
Regenerative Medicine
7 articles
PRP for Patellar Tendinopathy: Does It Beat Needling?
LP-PRP may reduce patellar tendon pain modestly, but current trials do not show better function than dry needling and exercise.
patellar tendinopathyplatelet-rich plasmalp-prp
MSC Therapy for Arthritis: Real Knee OA Signal, Big Gaps
A review of 36 RCTs finds MSC injections can reduce knee OA pain, but evidence for superiority, safety, durability, RA, AS, and SSc remains thin.
mesenchymal stem cellsosteoarthritisstem cell therapy
Do Fat-Derived Stem Cells Beat Standard Knee OA Injections?
Fat-derived stem cells may help knee osteoarthritis, but trials show no early edge over standard injections and leave dose, safety, and value unsettled.
stromal vascular fractionadipose stem cellsosteoarthritis
Knee OA Injections: What Ranks Highest—and What Doesn’t
Before booking a knee OA injection, see how PRP, hyaluronic acid, steroids, and SVF compare by timeframe—and why preparation can change results.
knee osteoarthritisprpstem cells
Knee OA Injections: What Lasts at 12 Months?
A 2025 analysis of 37 trials ranked PRP plus hyaluronic acid highest for knee OA at 12 months, while corticosteroids ranked last.
knee osteoarthritisprphyaluronic acid
Stem Cell EVs for Brain and Joints: 3 Studies, Zero Human Trials
Three studies pitch extracellular vesicles as the future of brain and joint regeneration. The catch: every experiment was done in mice, rats, or a petri dish.
extracellular vesiclesstem cellsneuroinflammation
Oral Health
6 articles
Can Enzyme Lozenges Break Dental Plaque? The Human Evidence
Can mutanase, beta-glucanase, and DNase lozenges weaken dental plaque? A triple-blind trial found one day-7 signal, but missed its primary endpoint.
dental plaquebiofilmenzyme lozenges
Can Heat-Killed Probiotics in Toothpaste Reduce Gingivitis?
Heat-killed probiotic toothpaste reduced gingivitis markers in a small trial. Here is what six RCTs say about probiotics, bleeding gums, and hype.
paraprobioticslacticaseibacillus paracaseiperiodontal disease
Omega-3, Gum Disease, and Diabetes: What Chemerin Can Tell Us
Can omega-3 supplements alongside periodontal care lower chemerin in type 2 diabetes? A close look at the small trial, ozone, and polyphenol evidence.
periodontitisomega-3type 2 diabetes
Can Oral Probiotics Replace Chlorhexidine for Cavities?
Can oral probiotics prevent cavities as well as chlorhexidine mouthwash? The evidence supports an adjunct role, not a replacement—yet.
oral probioticschlorhexidinecavity prevention
Probiotic Toothpaste: Gingivitis Signal, Plaque Uncertainty
Do probiotic toothpastes work? Evidence points to modest gingival benefits, but plaque, caries, synbiotic, dose, and shelf-life claims remain unsettled.
probiotic toothpastelactic acid bacteriaheyndrickxia coagulans
Gum Disease Treatment Lowers CRP—Then Inflammation Can Rebound
Periodontal treatment can lower CRP and inflammatory cytokines, but the effect peaks over months, varies by protocol, and may fade without maintenance.
gum diseaseperiodontal therapysystemic inflammation
Aging Clocks
6 articles
Can Calorie Restriction Move Biological Aging Metrics?
A two-year randomized calorie-restriction trial moved some aging biomarkers, but mixed clock results show why no test can yet certify slower aging.
caleriecaloric restrictiondunedinpace
Systems Age Maps 11 Body Clocks From One Blood Test
A new DNA methylation test estimates aging across 11 body systems from one blood draw. What Systems Age predicts, and why it cannot guide treatment yet.
blood methylationdna methylationbiological age
DunedinPACE Predicts Health Risk, Not Your Next Move
DunedinPACE tracked disease burden, healthcare-use risk, and mortality in U.S. veterans. What epigenetic aging tests can and cannot tell you.
dunedinpaceepigenetic agingdna methylation
Plasma Proteomics Maps Aging Risk by Organ and Sex
Plasma proteomics can map aging-linked risk by organ, sex, and disease. What these protein clocks predict—and why they cannot yet guide treatment.
plasma proteomicsorgan-specific clocksbiological age
Multi-Omic Aging Clocks: More Signal, Less Certainty
Multi-omic aging clocks combine methylation, metabolites, and proteins to predict risk more richly. Can they guide personal longevity decisions yet?
biological agedna methylationepigenetic clocks
Tape-Strip Skin Clocks: Easier Testing, Unsettled Meaning
Non-invasive tape-strip skin clocks estimate age within about four years. What do small score changes mean for biological aging and health?
skin clockdna methylationtape-strip sample
Biomarkers
6 articles
UACR vs. UPCR: Which Kidney Test Tells You More?
UACR vs. UPCR for kidney and cardiovascular risk: why albumin-specific testing usually gives metabolic-health trackers a clearer signal.
uacrupcrkidney function
Skin Autofluorescence: The Glycation Clock Before Diabetes
Skin autofluorescence may reveal long-term tissue glycation before diabetes appears. What 82,870 adults show about smoking, BMI, kidneys, and exercise.
skin autofluorescenceagesglycation
Why BMI May Not Be an Independent Multimorbidity Driver
A Mendelian randomization study reshuffles cardiometabolic priorities: BMI and screen time may act through blood pressure and glucose.
bmicardiometabolic riskmendelian randomization
Why a “Normal” Ferritin May Still Signal Iron Deficiency
Ferritin reference ranges may miss iron deficiency. New ROC analysis proposes higher sex-specific cutoffs—but one study cannot settle the question.
ferritiniron deficiencyreference ranges
AI for IBS Diagnosis: Why 99% Accuracy Is Not Enough
AI models report up to 99% accuracy for IBS diagnosis, but six small case-control studies and zero external validations leave major gaps.
gut microbiomeibsai diagnostics
Cancer Biomarkers: Three Real Studies, Zero Actionable Insight
Three cancer biomarker studies in Cell and Nature Medicine reviewed: real science, real limitations, and zero reasons to change anything you do tomorrow.
liquid biopsycancer screeningcolorectal cancer
Neurodegeneration
6 articles
Fitness and Alzheimer’s Risk: What the Evidence Shows
Can better cardiorespiratory fitness slow Alzheimer's-related decline? Cohort data link fitness to memory and biomarkers, but trials cannot prove cause.
cardiorespiratory fitnessvo2peakalzheimer's risk
Mediterranean Diet and Dementia Risk: What Studies Show
Can a Mediterranean diet protect the brain? Cohort studies link it to lower dementia risk, but randomized trials still leave causation unproven.
mediterranean dietdementiaalzheimer's disease
Poor Oral Health May Flag Higher Dementia Risk
Poor oral health may flag higher dementia risk. A UK Biobank proteomics study points to inflammatory pathways, but not prevention proof in people.
oral healthdementiauk biobank
APOE4, Vitamin D, Grip Strength, and Dementia Risk
Can vitamin D status and handgrip strength signal lower dementia risk in APOE4 carriers? A 12-year UK Biobank study offers clues, not prevention proof.
apoe4vitamin dhandgrip strength
Theta-Burst Stimulation for MCI: Promise, Not Brain Cleaning
A small sham-controlled trial suggests iTBS may improve cognition in early Alzheimer's-spectrum disease, but its glymphatic claim remains unproven.
intermittent theta-burst stimulationitbsamnestic mild cognitive impairment
Can GV-971 Really Rank With Donepezil for Alzheimer’s?
A critical look at Alzheimer's drug rankings: why GV-971's China-only evidence differs from ChEIs, memantine, and amyloid antibodies.
gv-971alzheimer'sdonepezil
Epigenetics
5 articles
What Really Drives Biological Aging? Smoking, Diet, and SES
A closer look at biological aging clocks: smoking dominates GrimAge, diet and metabolic health matter, and neighborhood stress may shape aging too.
grimagedunedinpacedna methylation
Alcohol's Aging Signal May Hide in Whole-Blood Clocks
A monocyte epigenetic clock found alcohol's nonlinear aging signal while whole-blood clocks blurred it. What the evidence can and cannot tell us about biological age.
epigenetic clocksbiological agedna methylation
Can Epigenetic Clocks Flag Frailty Before It Starts?
DunedinPACE may track frailty risk from midlife, but meta-analysis favors GrimAge and no epigenetic clock is ready for clinical frailty prediction.
dunedinpacegrimageepigenetic clocks
Can Lifestyle Changes Turn Back the Epigenetic Clock?
An 8-week lifestyle trial reported a 3.23-year epigenetic-age difference. Larger studies support modest, clock-specific effects instead.
horvath clockdna methylationbiological aging
Volunteering and Epigenetic Aging: A Promising Link
Does volunteering slow biological aging? Older-adult studies link social purpose to favorable epigenetic clocks, but causation remains unproven so far.
epigenetic clocksdna methylationbiological aging
Metabolic Aging
5 articles
Does Sitting Less Improve Liver Insulin Sensitivity?
A six-month trial found that sitting less did not clearly improve liver insulin sensitivity or liver fat—while weight-loss studies reveal why.
insulin sensitivityliver fatmetabolic syndrome
Prediabetes Remission Without Weight Loss: What the Data Show
Can prediabetes remission lower future diabetes risk without weight loss? PLIS and DPP findings, plus omics clues, put glucose targets into focus today.
prediabetes remissiontype 2 diabetesglycemia
Leg Muscle May Flag Insulin Resistance in Older Adults
Can leg muscle flag metabolic trouble? In older adults, lower-limb muscle mass tracked lower insulin-resistance risk, but it does not prove disease prevention.
insulin resistanceappendicular muscle masslower-limb muscle
MASLD Metabolites: What Diet and Metabolic Risk Reveal
Can blood metabolites explain why metabolic risk worsens MASLD while Mediterranean-style eating tracks with slower progression? The evidence is early.
masldmediterranean dietckm syndrome
Older Adults With Type 2 Diabetes Need More Than HbA1c
For older adults with type 2 diabetes, long-term diet plus multicomponent exercise improved HbA1c, fitness, and function in one RCT.
sarcopeniatype 2 diabetesmuscle loss
Microbiome
4 articles
How Gut Bacteria May Prime Antiviral Immunity via STING
Gut bacterial vesicles primed antiviral immunity through cGAS-STING in mice. What the finding means, where human evidence ends, and why restraint matters.
gut microbiomeantiviral immunitycgas-sting pathway
HIV Gut Dysbiosis and FMT: A Promising but Early Signal
ART suppresses HIV, yet gut dysbiosis may sustain inflammation. A small placebo-controlled FMT trial shifted diversity, not clinical outcomes.
gut dysbiosismicrobiotahiv
Do ACE Inhibitors and ARBs Change Your Gut Microbiome?
Rodent studies suggest ACE inhibitors and ARBs alter gut microbes, but limited human evidence and a null butyrate trial leave the hypothesis unproven.
ace inhibitorsarbslactobacillus
Your Gut Controls Everything? We Read the Actual Studies
Six recent microbiome papers claim your gut drives COVID severity, stroke risk, and depression. We read them. The evidence is softer than the headlines.
gut microbiomemetabolomedepression
Gut Health
4 articles
PFAS and IBD: A Plausible Risk, Not a Proven Cause
A 2026 meta-analysis found a non-significant link between PFAS exposure and ulcerative colitis. What the evidence shows—and how to cut exposure.
pfasforever chemicalsinflammatory bowel disease
FMT for IBS: Quality-of-Life Signal, No Durable Proof
Does fecal microbiota transplantation help IBS? Meta-analyses find better quality of life, but durable symptom relief and guideline support remain uncertain.
fecal microbiota transplantibsgut microbiome
Ethosuximide Fell Behind Placebo in an IBS Pain Trial
An epilepsy drug targeting T-type calcium channels lagged placebo in an IBS pain trial. What the result says, and cannot say, about visceral pain.
ibsethosuximidecav3.2
Probiotics for Elderly Constipation: What the Trials Show
Do probiotics help elderly constipation? Review B. lactis trials, FMT rankings, PEG evidence, doses, safety gaps, and practical limits.
fmtprobioticsconstipation
Mitochondrial Health
4 articles
Do Statins Harm Muscle Mitochria? What New Studies Show
New human and ex vivo studies link atorvastatin to progressive muscle mitochondrial impairment. What the evidence says about statin type, dose, and risk.
statinsatorvastatinmitochondrial dysfunction
Mitochondrial Dysfunction: Root Cause or Supplement Myth?
Three studies claimed mitochondria are the root cause of diabetes, nerve damage, and Parkinson's. Two were in mice. Here's what the evidence actually says.
mitochondrial dysfunctiontype 2 diabetesparkinson's disease
Mitochondrial Optimization Claims: What Three Studies Actually Show
Three papers on mitochondria are being cited to push supplements. We read them. Two use mouse gene knockouts. One covers sepsis. None tell you what to do.
mitochondrial quality controlmitophagyaging
Mitochondria Is Not a Theme: Four Studies That Don't Add Up
Four papers. One shared word: mitochondria. We break down why mouse fat, a rare eye disease, poison antidotes, and plant biology aren't a biohacking insight.
mitochondrial-carnitinespermidine
Oral Microbiome
4 articles
Arginine Toothpaste Rewrites Plaque Genes—Not Yet Cavities
Arginine toothpaste changes plaque gene activity and may lower cariogenic bacteria, but does it prevent cavities? A skeptical guide to the human evidence.
argininedental microbiomecavity prevention
Probiotic Nanofiber Floss: What a 30-Man Trial Found
Probiotic dental floss puts live bacteria under the gumline. A 30-person trial reduced red-complex pathogens short term, but real-world use remains unproven.
oral microbiomeperiodontal diseaseprobiotic floss
Vaping Changes Oral Bacteria Differently Than Cigarettes
Vaping may reshape the oral microbiome in ways distinct from smoking and never use. The signal is real, but long-term disease risk remains unknown.
oral microbiomee-cigarettesperiodontal disease
Gum Disease, Fusobacterium, and Colorectal Cancer Risk
Periodontitis is linked to colorectal cancer risk. Learn what Fusobacterium nucleatum, tumor immunity, and the evidence actually show.
periodontitisfusobacterium nucleatumcolorectal cancer
Vision Health
4 articles
MyopiaX Blue-Light VR Trial Fell Short of DIMS Lenses
A blue-light VR headset aimed to slow childhood myopia through the blind spot. Its first multicenter trial found faster axial growth than DIMS lenses.
myopiablue light therapyretinal dopamine
Myopia Prevention: Red Light Leads, Sleep Falls Short
A 2025 analysis ranks red-light therapy, atropine, and outdoor time for myopia prevention—while sleep claims fail objective testing.
myopia preventionlow-level red lightatropine
Red Light for Myopia: Best-Supported Wavelength, With Limits
Red-light therapy slows childhood myopia in trials, but its lead over other wavelengths and orthokeratology comes with major evidence limits.
red light therapymyopia controlpediatric myopia
Niacinamide and Glaucoma: Does the Evidence Actually Support It?
Three studies got bundled into one 'vision breakthrough' headline. We reviewed each one: no controls, no human data, and a disease 1 in 25,000 people have.
niacinamideglaucomastem cells
Longevity Nutrition
4 articles
Plant Protein in Midlife and Healthy Aging in Women
A long-term study links higher plant protein intake in midlife to better odds of healthy aging in women. Here's what it found—and what it cannot prove.
plant proteinhealthy agingprotein intake
Can Protein Support Lung Health? What the Trials Actually Show
Whey protein and rehab nutrition show early signals for lung-related markers and muscle preservation—but neither has proved fewer respiratory events.
whey proteinpulmonary rehabilitationspirometry
Does L-Theanine Improve Sleep? What Human Trials Show
Can L-theanine improve sleep quality? The best human trials suggest a modest subjective benefit, but objective sleep results remain uncertain.
l-theaninesleep qualitysystematic review
Can Insect Protein Build Muscle Like Whey? The Evidence
Can cricket and mealworm protein match whey for muscle? Small human trials support acute muscle protein synthesis, not long-term hypertrophy.
insect proteinmuscle protein synthesiswhey protein
Cardiovascular
3 articles
Social Isolation May Add Risk to Physical Inactivity
Social isolation and physical inactivity tracked higher mortality in UK Biobank. See what the data show, why loneliness differs, and what to do.
social isolationphysical activityuk biobank
Sacubitril/Valsartan in HFpEF: Biomarker Win, Function Gap
Sacubitril/valsartan lowers NT-proBNP in HFpEF, but does it improve symptoms or walking? A close look at trials, safety, and competing drugs.
sacubitril/valsartanhfpefhfmref
Do Anti-Inflammatory Drugs Prevent Repeat Heart Events?
A 25-trial review finds no clear class-wide reduction in repeat cardiac events. What colchicine, targeted pathways, and residual inflammatory risk mean.
coronary heart diseaseinflammationanti-inflammatory drugs
Gait
3 articles
Strength and Gait May Reflect Metabolic History
Long-term BMI burden and worsening prediabetes track poorer strength and mobility, but the evidence does not prove metabolic damage causes decline.
gait speedgrip strengthsppb
Walking After 78: What a 9-Year Study Really Found
Can regular walking help preserve function after age 78? A 9-year study of Mexican American adults finds an association, not proof of cause.
walkingphysical functionolder adults
Exercise Habits Track With Lower Mobility Decline Over 8 Years
An 8-year Japanese cohort links exercise and daily activity with lower mobility-decline risk. What it shows, what it cannot prove, and why strength matters.
exercise habitsdaily physical activitymobility decline
Reproductive Health
3 articles
Bacterial Vaginosis Is Linked to Higher HSV-2 Risk
Bacterial vaginosis is linked to an 85% higher risk of acquiring HSV-2. What Lactobacillus does, what the studies prove, and where prevention claims stop.
bacterial vaginosislactobacillus crispatushsv-2 prevention
Can AMH Predict Menopause? What One Blood Test Can’t Tell You
AMH tracks ovarian reserve, but can it predict your menopause date? Review the evidence, limits, POI workup, and whether testing makes sense.
amhfertilitymenopause
PFAS and Miscarriage: What the Norwegian Study Found
A large Norwegian study found no measurable PFAS-miscarriage link, yet human hormone data and design limits keep the reproductive health question open.
pfaspregnancymiscarriage
Microbiome & Aging
3 articles
Gut Microbiome and Longevity: What Causal Studies Show
Can gut microbes influence exceptional longevity? Family cohorts and Mendelian randomization find recurring signals, but no proven lifespan treatment yet.
gut microbiomecentenariansmendelian randomization
Can Probiotics Reduce Stress? The Gut-Brain Evidence
Can probiotics reduce stress or anxiety? A close look at gut-brain trials finds strain-specific, modest benefits—but no proven anxiety treatment.
probioticsanxietygut microbiome
Gut Microbiome and Longevity: What the Science Actually Proves
Three papers cite gut microbiome research to claim aging is fixable. We reviewed each one. Here's what the evidence actually supports — and what it doesn't.
gut microbiomelongevityaging
Musculoskeletal Health
3 articles
Does Forward Head Posture Actually Cause Neck Pain?
Forward head posture is often blamed for neck pain. A 26-study review finds a weaker, less certain link than posture-correction marketing suggests.
forward head postureneck painposture correction
Do Steroid Shots Add Anything to Tennis Elbow Training?
Does heavy slow resistance match injections for tennis elbow? A 52-week randomized trial raises questions about steroid shots and tendon needling.
tennis elbowcorticosteroid injectionexercise therapy
Shock Wave Therapy for Calcific Shoulder Pain: Where It Ranks
Shock wave therapy can help calcific shoulder tendinopathy, but network evidence ranks PRP and EDTA higher. Dose and combination therapy matter.
eswtprprotator cuff tendinopathy
Eye Health
3 articles
LLLT vs. IPL for Meibomian Gland Dysfunction: What We Know
Can low-level light therapy match IPL for meibomian gland dysfunction? A small trial favors LLLT, but longer, blinded studies are still needed.
dry eyemeibomian gland dysfunctionintense pulsed light
Can Light Therapy Before Cataract Surgery Prevent Dry Eye?
Can low-level light therapy before cataract surgery reduce dry-eye changes? One sham-controlled trial offers a signal, but durability and dosing remain unclear.
cataract surgerydry eye diseaselllt
Dry Eye Devices: What IPL, TearCare, and LLLT Evidence Shows
IPL and TearCare lead 3-month dry eye device rankings, but indirect comparisons, biomarker data, durability, and value remain uncertain.
dry eye diseasemeibomian gland dysfunctiontearcare
Exposome
3 articles
Exercise in Polluted Air: PM2.5 May Blunt Longevity Benefits
Exercise can still support longevity in polluted air, but long-term PM2.5 may blunt the association. What 25 µg/m³ means for smarter exercise training.
pm2.5air pollutionleisure-time physical activity
Environmental Exposures and Dementia Risk: What Holds Up
Air pollution has the clearest environmental link to later dementia. Here is what studies say about noise, night shifts, greenness, and MCI.
air pollutionpm2.5dementia
Do CO2, VOCs, and Cabin Pressure Cloud Your Thinking?
A large simulated-flight trial found no broad cognitive decline from CO2, VOCs, or cabin pressure—but heat and odor can change the picture.
indoor air qualitycarbon dioxidevolatile organic compounds
Women'S Health
3 articles
Recurrent Yeast Infections: A Treatment Evidence Vacuum
For recurrent yeast infections, maintenance antifungals can suppress symptoms—but a Cochrane review found surprisingly weak evidence behind care.
rvvccochrane reviewantifungal therapy
Can Oral Probiotics Help Asymptomatic Bacterial Vaginosis?
Oral probiotics may reduce asymptomatic bacterial vaginosis recurrence, but evidence for antibiotic-free microbiome restoration remains limited.
bacterial vaginosisasymptomatic bvprobiotics
Can PRP Injections Match Vaginal Estrogen for GSM?
A randomized trial found intravaginal PRP produced sexual-function gains similar to estriol for GSM. Here is what the evidence can and cannot say.
menopauseprpvaginal health
Immunology
2 articles
Immune Resilience and Longevity: What the Cohorts Show
Immune resilience links T-cell balance and lower inflammation with longevity and infection outcomes. Large cohorts make it compelling, not causal.
immune resiliencecd4:cd8 ratiocd4 count
Immune Aging Is Measurable, but It Is Not Yet Actionable
Blood T-cell and thymus studies show measurable immune aging, but biomarkers do not yet prove antiviral decline or justify a supplement stack.
immune agingt-cell receptor repertoirethymus
Microbiome Health
2 articles
Why Candida Recurs: What Probiotics Can—and Cannot—Do
Probiotics do not reliably clear active yeast infections, but early trials suggest they may reduce recurrence. Here is what the evidence supports.
vulvovaginal candidiasisfluconazolelactobacillus
Why LACTIN-V’s BV Benefit Depends on Your Microbiome
LACTIN-V helped establish protective L. crispatus in 30% of recipients. New multi-omics research explains why microbiome and immune profiles matter.
bacterial vaginosislactobacillus crispatusmicrobiota composition
Glp1 Agonists
2 articles
Do GLP-1 Drugs Raise Cancer Risk? What Trials Show
Do Ozempic, Wegovy, and Mounjaro raise cancer risk? Evidence from 48 trials and 94,245 patients finds no signal within 2–5 years.
liraglutideglp-1 agoniststhyroid cancer
SELECT’s Undercovered Result: Fewer Hospitalizations on Semaglutide
SELECT made headlines for fewer heart attacks and strokes. The quieter result: semaglutide also cut hospital admissions and hospital days in high-risk obesity.
semaglutideglp-1 agonistweight loss
Drug Safety
2 articles
Phosphate Enemas: A Preventable Electrolyte Emergency
Phosphate enemas can trigger fatal electrolyte crises, especially with kidney disease or bowel retention. Why safer osmotic options deserve priority.
sodium phosphate enemahyperphosphatemiahypocalcemia
GLP-1 Drugs and Sudden Vision Loss: What the NAION Data Show
A large meta-analysis links GLP-1 drugs to NAION, a rare cause of sudden vision loss. The signal is small, observational, and not confirmed in trials.
glp-1 agonistsozempicsemaglutide
Glucose Monitoring
2 articles
CGM Exercise Accuracy and the Sensor-Outcome Paradox
The only direct exercise comparison found lower sensor error with isCGM than rtCGM, yet real-world T1D outcomes favor rtCGM. What device buyers should know.
continuous glucose monitoringdexcomfreestyle libre
Real-Time CGM vs Flash CGM: Type 1 Diabetes Evidence
Real-time CGM improves time in range and variability versus flash CGM in type 1 diabetes, yet shows no HbA1c edge. What does the upgrade buy for your diabetes?
continuous glucose monitoringhba1ctype 1 diabetes
Wearables
2 articles
Your Wearable HRV Changes With Your Cycle and the Pill
Menstrual phase and hormonal contraception can shift wearable HRV. Learn what progesterone, progestins, and recovery scores can and cannot tell you.
hrvprogesteronemenstrual cycle
Wearable Monitoring in AF: Promising Outcome Results, Caveats
A 2026 meta-analysis reports fewer strokes, deaths, and hospitalizations with supervised wearable monitoring in diagnosed AF, with major caveats for consumer screening.
atrial fibrillationwearablesstroke prevention
Autonomic Health
2 articles
Vagus Nerve Stimulation and Opioid Withdrawal Pain
A tiny tcVNS pilot linked lower opioid withdrawal pain with HRV changes. The biomarker signal is plausible, but it cannot prove treatment or mechanism.
hrvvagus nerve stimulationparasympathetic
Exercise, HRV, and Cancer’s Hidden Autonomic Damage
Cancer treatment can disrupt heart-rate variability and autonomic balance. Exercise may help, but cardio-oncology rehab evidence remains thin.
chemotherapyautonomic nervous systemheart rate variability
Neuroprotection
2 articles
Do GLP-1 Drugs Protect the Brain? The Evidence So Far
Do semaglutide and other GLP-1 drugs lower Parkinson's or Alzheimer's risk? Examine the observational signals, bias tests, and missing trial data.
glp-1 agonistssemaglutideparkinson's disease
Do GLP-1 Drugs Lower Seizure Risk? An Early Signal
GLP-1 receptor agonists showed fewer seizure events in diabetes trials, but sparse data, stroke effects, and weak endpoints limit conclusions.
glp-1ozempicvictoza
Body Composition
2 articles
Why Exercise Matters for Lean Mass During Weight Loss
Dieting can cost lean mass, especially without exercise. New research links baseline insulin sensitivity to risk and treats FGF19 as an early clue.
lean massweight lossresistance training
GLP-1 Weight Loss: How Much Is Lean Mass?
A 2026 meta-analysis compares lean-mass loss on semaglutide, tirzepatide, and dieting—and shows why resistance training matters most.
semaglutidetirzepatideglp-1 agonists
Caloric Restriction
2 articles
Severe Calorie Restriction Improved Prediabetes—Not Aging
An 8-week low-energy diet rapidly improved prediabetes markers, but its molecular-rejuvenation claim rests on surrogate proteins from only 44 high responders.
calorie restrictionprediabetesweight loss
Intermittent Fasting Works for Fat Loss, Not Proven Autophagy
Intermittent fasting can help reduce body fat, but human trials show no reliable calorie-independent edge—and claims of whole-body autophagy still outrun proof.
intermittent fastingtime-restricted eatingautophagy
Cellular Senescence
2 articles
Can Senescent Cells Be Rejuvenated Instead of Removed?
Can nutrition or stress reduction rejuvenate senescent cells? Human studies show shifts in SASP biomarkers, but durable cell reversal remains unproven.
senescent cellssaspcaloric restriction
Senolytics and Rejuvenation: What the Research Actually Shows
Zombie cells, parabiosis, and a heart failure drug — senolytics are real science. The rejuvenation marketing layered on top isn't. We reviewed all three papers.
senolyticssenescent cellsparabiosis
Gut Brain Axis
2 articles
IBS Is a Gut-Brain Disorder. Which Therapy Ranks First?
IBS is now classified as a disorder of gut-brain interaction. A Lancet analysis ranks behavioral therapies—but the top score is far from final.
ibsgut-brain axisbehavioral therapy
Gut Microbiome Treatments for Parkinson’s: What Works?
Can probiotics or fecal transplants improve Parkinson's symptoms? RCT evidence supports constipation relief, modest motor effects, and cautious optimism.
parkinson's diseasegut microbiomeprobiotics
Sexual Health
2 articles
Pelvic Floor Training for Postmenopausal Sexual Health
Pelvic floor training may help orgasm and arousal after menopause, but evidence is highly variable—and it will not replace treatment for vaginal dryness.
pelvic floor trainingorgasmpostmenopausal women
Exercise and Female Sexual Dysfunction: What the Data Show
Active women report less sexual dysfunction than sedentary women, but the evidence is observational. Pelvic floor training has stronger trial support.
female sexual dysfunctionexercisemeta-analysis
Cancer
2 articles
Biological Aging May Help Explain Rising Early-Onset Cancer
Biological aging may be linked to rising early-onset cancer risk. What a large UK Biobank study found—and why it cannot prove cause or guide treatment.
early-onset cancerbiological agingphenoage
Cancer Survivorship, Exercise, and Mobility in Later Life
Can structured exercise help older cancer survivors stay mobile? Evidence on walking, strength, balance, disability risk, and realistic limits.
older cancer survivorsmobility disabilityphysical activity
Reproductive Aging
2 articles
Can PRP or Antioxidants Slow Ovarian Aging?
PRP, stem-cell procedures, and antioxidants can shift fertility markers, but human evidence does not show they slow natural ovarian aging.
ovarian agingovarian rejuvenationamh
Can Semen Quality Predict Lifespan? The Danish Data
A 50-year Danish study links poorer semen quality with shorter lifespan. Learn what the association means, where confounding enters, and what testing can't tell you.
semen qualitysperm countlifespan
Metabolic Therapeutics
2 articles
GLP-1 vs. SGLT2: Which Cardiorenal Benefit Matters Most?
GLP-1 receptor agonists and SGLT2 inhibitors can retain benefits together, but kidney, heart-failure, stroke, and MACE evidence differs.
glp-1 receptor agonistssglt2 inhibitorscardiorenal outcomes
Tirzepatide vs. Semaglutide: More Fat Loss, Not Proven Appetite Edge
A 28-week head-to-head trial found greater weight and fat loss with tirzepatide than semaglutide 1 mg—but appetite superiority remains unproven.
tirzepatidesemaglutideweight loss
Menopause
2 articles
Orexin, Hot Flashes, and Menopausal Insomnia: Early Evidence
Can one hypothalamic pathway link hot flashes and insomnia? What a small suvorexant trial found—and why fezolinetant still has stronger evidence.
orexinestrogen withdrawalhot flashes
Why Nitroglycerin Failed to Stop Menopausal Hot Flashes
Why nitroglycerin failed to stop hot flashes despite vascular tolerance—and what the result says about fezolinetant, NK3 blockers, and wrist cooling.
menopausehot flashesestrogen
Skin Aging
2 articles
A New Peptide Beat Retinol in an RCT. Should You Care?
A new cyclized peptide outperformed retinol in a 56-day RCT, but the retinol dose was 0.002%. Here's what that result means for skin aging.
retinolhexapeptide-9wrinkles
Skin Barrier Aging Prevention: What the Research Actually Shows
Five peer-reviewed papers, five unrelated topics. We fact-checked the evidence behind a popular inside-out skin barrier aging protocol — it doesn't hold up.
skin barrieratopic dermatitisaging skin
Hormone Therapy
2 articles
Menopausal Hormone Therapy and Dementia: What Changes Risk
Does menopausal hormone therapy raise dementia risk? Evidence points to timing, estrogen versus combination therapy, duration, route, and uncertainty.
menopausal hormone therapyalzheimer's diseaseestrogen
Testosterone GAHT and Blood Clots: What the Data Show
Testosterone GAHT shows no measured procoagulant shift in small AFAB studies, but rising hematocrit and sparse VTE data warrant monitoring.
testosteronegahtvte
Immune Health
2 articles
Nasal Probiotics for Allergic Rhinitis: Trial Finds No Relief
Can probiotic nasal sprays ease hay fever? The only human trial found no symptom benefit or nasal colonization, despite an inventive immune theory.
probioticsallergic rhinitisseasonal allergies
Long COVID Immune Changes at 12 Months: Early Cell Data
Small single-cell studies find persistent immune remodeling in Long COVID at 12 months, but Galectin-9 findings need independent replication.
long covidt cell exhaustiongalectin-9
Circadian Biology
2 articles
Wearable Daylight Exposure and Dementia Risk: What It Means
A UK Biobank study links higher wearable-measured daytime light exposure to lower dementia risk. Learn what the signal means—and what it cannot prove.
daytime light exposuredementia riskwearable actigraphy
Circadian Alignment May Shape Metabolic Risk Beyond Sleep
Circadian alignment may affect insulin sensitivity and long-term disease risk beyond sleep duration. What wearable, shift-work, and genetic studies show.
circadian alignmentsleep restrictioninsulin sensitivity
Muscle Preservation
1 article
Aging Diagnostics
1 article
Antifungal Resistance
1 article
Cancer Prevention
1 article
Clonal Hematopoiesis
1 article
Obesity Pharmacology
1 article
Circadian Health
1 article
Breathing Techniques
1 article
Endocrine Disruption
1 article
Exercise Recovery
1 article
Stem Cell Therapy
1 article
Pseudoscience Debunking
1 article
Liquid Biopsy
1 article
Cardiometabolic Health
1 article
Sedentary Behavior
1 article
Hormonal Aging
1 article
Genetic Predisposition
1 article
Vaginal Health
1 article
Endocrine Disruptors
1 article
Breathing Mechanics
1 article
Movement Disorders
1 article
Cognitive Resilience
1 article
Metabolic Disease
1 article
Joint Health
1 article
Exercise Cognition
1 article
Photobiomodulation
1 article
Aging Research
1 article
Glucose Metabolism
1 article
Neurodegenerative Disease
1 article