Apr 6, 2026Physical Activity

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 performancetestosterone

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Apr 6, 2026Nutrition

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 supplementationaging

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Apr 5, 2026Nutrition

Barberry Powder for Blood Pressure: What One RCT Found

Barberry powder lowered systolic blood pressure alongside medication in one small RCT. Learn what the result means, what it cannot prove, and key safety gaps.

barberryblood pressureantihypertensivenitric oxide

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Mar 30, 2026Nutrition

Do Probiotics Help Hay Fever? Better Than Placebo, Unproven vs. Antihistamines

Multispecies probiotics may modestly ease hay fever versus placebo, but no trial has tested whether they match or add to standard antihistamines.

probioticsseasonal allergiesallergic rhinitisgut health

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Mar 29, 2026Nutrition

Cassis Polyphenols for Menopause: What a Null Trial Found

Can cassis polyphenols ease menopause hot flashes? A small placebo-controlled trial found no benefit after four weeks—and exposes a mechanism gap.

blackcurrantanthocyaninshot flashesmenopause

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Mar 29, 2026Nutrition

Berry Extract for Presbyopia: What a Small Trial Really Found

Can an anthocyanin and iridoid berry extract improve presbyopia? A close look at the 23-person crossover trial, selected endpoints, and gaps.

anthocyaninspresbyopiabilberryvision

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Mar 25, 2026Nutrition

MIND Diet and Dementia: What the Best Trial Really Found

The MIND diet is linked to lower dementia risk, but a major trial found no edge over active counseling. What brain-resilience evidence means.

mind dietalzheimer'srctdementia prevention

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Mar 24, 2026Sleep

An 8-Year Sleep Trial Tests Circadian Change’s Staying Power

An 8-year youth RCT found early circadian gains vanished by adulthood. What it says, and cannot say, about lasting sleep interventions.

circadian rhythmchronotherapyadolescent sleepchronotype

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Mar 23, 2026Mental Health

Self-Taught Mindfulness vs. Instructors: What We Know

Can a mindfulness book replace a teacher? A teacher trial found similar engagement, but outcome equivalence and app claims remain unsettled.

mindfulnessmeditationrctself-guided

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Mar 22, 2026Nutrition

Ginger, Akkermansia, and the Unsettled Science of CRC Prevention

A ginger trial in people with prior adenomas changed gut bacteria, including Akkermansia. What it means for colorectal cancer prevention remains unsettled.

gingergut microbiomeakkermansia muciniphilacolorectal cancer prevention

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Mar 21, 2026Joint Health

Degenerative Meniscus Tears: Exercise Matches Surgery at 10 Years

A 10-year randomized trial found arthroscopic meniscus surgery did not improve objective activity over exercise. What the evidence means for your knee.

arthroscopic meniscectomydegenerative meniscuswearable sensorsaccelerometry

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Mar 9, 2026Nutrition

Omega-3, Antioxidants, and Diet for Pediatric ADHD

Do omega-3s, antioxidants, or a Mediterranean diet improve pediatric ADHD? A close look at RCTs, effect sizes, and what parents can expect.

omega-3adhdfish oilantioxidants

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