The magazine of preventive health and longevity.
Sourced, fact-checked articles written by doctors and experts, to understand, prevent and act every day.
Waist Circumference: What This Number Reveals About Your Longevity
Waist circumference predicts cardiometabolic mortality independent of body weight. Three major cohorts and clear thresholds show how to read and act on…
Sunscreen Benefits: 5 Proven Effects on Your Skin
Clinical trials show that daily sunscreen use reduces photoaging and lowers the risk of skin cancer, including invasive melanoma, when applied correctly…
HIIT: 5 Proven Effects on Cardiovascular Health
HIIT boosts VO2max almost twice as fast as continuous cardio in controlled trials, driven largely by mitochondrial biogenesis, though it warrants medical…
6 Proven Wrinkle Causes That Speed Up Skin Aging
Sun exposure, smoking, sugar, poor sleep, air pollution and alcohol are six proven wrinkle causes, each working through a distinct, measurable biological…
Night Shift Work: 6 Proven Effects on Your Health
Night shift work is linked to higher risks of diabetes, heart disease and cancer, with strong evidence for some effects and limited…
Loneliness and Social Isolation: Why They Shorten Your Life
Loneliness and social isolation raise the risk of premature death by 26 to 32%, according to major meta-analyses. Here is what drives…
10 Years Lost to Smoking, and How to Regain Them
Smoking costs smokers about ten years of life expectancy on average, but much of that loss can be regained, and the years…
Cold Exposure: 5 Proven Effects on the Body
Cold exposure triggers measurable changes in noradrenaline, insulin sensitivity and muscle recovery. Here are the five effects controlled trials actually prove, and…
Gray Hair: Why It Happens and What Actually Helps
Gray hair appears when melanocyte stem cells in the hair follicle stop producing pigment, a process shaped by genetics, chronic stress, smoking…