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 21, 2026Mental Health

Motoric Cognitive Risk: What Sleep and Purpose May Signal

Motoric cognitive risk links slow walking and memory complaints. Research ties it to purpose, social frailty, sleep, stress—and vascular brain disease.

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Mar 21, 2026Cognitive Aging

Slow Walking and Memory Complaints: A Dementia Risk Signal

Motoric cognitive risk combines slow gait and memory complaints. Learn what it predicts for dementia and mortality—and what the evidence cannot prove.

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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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Mar 14, 2026Aging Biomarkers

Can a Wrist Tracker Measure Gait? ElderNet Gets Closer

ElderNet estimates gait speed from wrist accelerometers with 0.088 m/s error. What the AI study means for fall risk, aging, and smartwatches.

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Mar 14, 2026Cognitive Health

Lifestyle Pilot Shows a Big Alzheimer’s Signal—With Caveats

A 2024 lifestyle trial improved cognition in early Alzheimer's, but its small, open-label design leaves a major question: can it replicate?

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Mar 7, 2026Mental Health

81% of Dementia Prevention RCTs Failed. What Actually Worked

A review of 112 dementia prevention trials found an 81% failure rate. The best evidence favors blood pressure control and one multidomain program.

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Mar 7, 2026Physical Activity

MCI Exercise Study: Tai Chi Beats Cardio, With Caveats

A 2026 meta-analysis found mind-body exercise beat standard cardio on key MCI cognitive tests, but the comparison was indirect and far from final.

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