Jul 13, 2026Cognitive Aging

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.

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Jul 13, 2026Sleep

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.

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Jun 19, 2026Neurodegeneration

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.

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Jun 15, 2026Neurodegeneration

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.

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Jun 15, 2026Neurodegeneration

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.

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Mar 29, 2026Mental Health

tDCS for Alzheimer’s: Does a Lower Dose Work Better?

A 2025 meta-analysis links lower tDCS current density with cognitive gains in Alzheimer's and MCI—but healthy-brain enhancement remains unproven.

tdcscognitive declinealzheimer's diseasecurrent density

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Mar 25, 2026Hormone Therapy

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.

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Mar 25, 2026Sleep

Sleep Disruption, Tau, and Alzheimer’s Risk: What We Know

Poor sleep tracks with tau and Alzheimer's biomarkers, and a randomized trial found sleep lowers CSF tau. But prevention claims remain unproven.

tau proteinalzheimer's diseasesleep deprivationcognitive decline

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Mar 24, 2026Mental Health

Melatonin for Alzheimer’s: Why Dose and Duration May Matter

Melatonin and Alzheimer's: a network meta-analysis points to dose and duration, while MCI data test brain oxidative stress—not proven cognitive benefit.

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Mar 24, 2026Mental Health

Exercise Beats Donepezil’s Modest Benchmark in Alzheimer’s

Exercise may outperform donepezil on cognitive scales in Alzheimer's and MCI, while a huge EPA signal rests on six trials and needs replication.

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Mar 22, 2026Neuroprotection

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.

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Mar 17, 2026Nutrition

Can Probiotics Help Memory? The Alzheimer’s Evidence So Far

Small trials suggest probiotics may modestly improve MMSE scores in Alzheimer's, but short studies and high heterogeneity rule out treatment claims.

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