Evidence-first health & aging science Newsletter

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Weight & obesity GLP-1 & weight-loss drugs Blood sugar & diabetes Cholesterol & heart Blood pressure

Biological age & clocks Healthspan & frailty Health & inequality Medicines & safety

Diet patterns Food & disease risk Processed food & drinks Gut health & digestion

Vitamins & minerals Performance & longevity compounds Herbals & botanicals Supplement safety

Cardio & intervals Strength & muscle Function & mobility Bones & joints

Sleep duration Regularity & circadian Quality & disorders

Cognition & memory Mood & mental health Dementia & Alzheimer's Screens & digital health

Weight & obesity GLP-1 & weight-loss drugs Blood sugar & diabetes Cholesterol & heart Blood pressure

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Aging

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Fresh oranges arranged in a close-up, top-down view

Blood vitamin C linked to more gray matter in older adults

Jul 17, 2026

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