The magazine of preventive health and longevity.
Sourced, fact-checked articles written by doctors and experts, to understand, prevent and act every day.
Kidney Function: What Your GFR Reveals About How You Are Aging
Kidney function declines by about 0.75 mL/min per year in healthy adults, and GFR feeds biological age clocks. Here is how to…
BPA: How This Endocrine Disruptor Acts on Your Hormones
BPA, or bisphenol A, mimics estrogen and disrupts androgen, thyroid and insulin signaling at very low doses. Here is what human studies…
Memory loss after 60: 8 proven causes and when to see a doctor
Memory loss after 60 rarely has a single cause. Sleep, hearing, medications, vitamin B12, alcohol and depression each carry a measured weight.…
Olive Oil: 5 Proven Effects on the Heart and Aging
Olive oil is the only dietary fat tested in a large randomized trial for heart attacks and strokes. Five measured effects on…
Napping: how long, when and who really benefits from it
A 10 to 20 minute nap restores alertness for close to three hours, while daily naps over an hour are linked to…
Cycling: 5 Proven Effects on the Heart, Knees and Longevity
Cycling strengthens the heart and spares the knees. Large cohorts link it to lower mortality, less cardiovascular disease and less knee osteoarthritis.…
Processed Meat: How Much Really Raises Your Risk?
Processed meat raises colorectal cancer, type 2 diabetes and heart disease risk from a single 50 g daily serving, with no safe…
16/8 Fasting: Who It Suits, When to Eat and What the Trials Measured
16/8 fasting limits meals to an 8-hour window. Randomized trials show a modest 3 to 5% weight loss, better insulin markers with…
Kidney stones: does drinking more water really prevent them?
Drinking more water halves the recurrence of kidney stones in the only randomized trial, but the 2026 PUSH trial shows that water…