Explainers
Plain-language deep dives for public audiences
Caffeine Does Not Create Energy—It Masks Fatigue, Study Shows
Caffeine does not produce energy but instead blocks the brain's fatigue signals, allowing tiredness to accumulate invisibly. Genetic variation in…
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How Two Minerals Lock Down Brain Anxiety: Magnesium and Zinc’s Dual Control of Neural Excitation
The brain's primary anxiety-regulating system relies on two independent mineral-based brakes: magnesium physically blocks the NMDA receptor's ion channel pore,…
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Medical Dosing Based on Race Lacks Scientific Evidence and May Harm Patients, NEJM Analysis Warns
New NEJM analysis challenges race-based medication dosing, arguing it lacks scientific foundation and may harm…
Evidence review: Which supplements older adults actually need and which ones to avoid
New evidence shows older adults benefit more from targeted supplementation for specific deficiencies like vitamin…
Dawn French Highlights Loneliness Crisis Among Older Women in New BBC Discussion
Dawn French's BBC discussion highlights the loneliness crisis affecting older women, with research showing 3.83…
Your Immune System: Understanding the Specialized Cast of Cellular Defenders
Your immune system operates as a sophisticated network of specialized cells, each with distinct roles…
How Your 7-Meter Gut Functions as a Molecular Assembly Line for Nutrient Absorption
New research reveals how the 7-meter human digestive tract operates as a sophisticated assembly line,…