The magazine of preventive health and longevity.
Sourced, fact-checked articles written by doctors and experts, to understand, prevent and act every day.
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…
Immune System Aging: 6 Proven Effects on Your Defenses
Immune system aging starts in the fifties, weakening vaccine response, wound healing and infection recovery. These are the proven biological mechanisms behind…
DHEA Dose: Precautions and Who Really Benefits
DHEA is often sold as an anti-aging fix, but clinical trials show a real DHEA dose benefit only in adrenal insufficiency and…
Male Menopause (Andropause): 6 Proven Effects of Declining Testosterone
Male menopause, or andropause, is the gradual decline in testosterone after age 40 that affects muscle, bone density, libido and mood, according…
Lemon Balm: 5 Proven Keys Against Stress and Insomnia
Three clinical trials on lemon balm show measurable effects on acute stress, mild anxiety and insomnia at doses of 300 mg to…
Tryptophan and Sleep: What the Science Says
Does tryptophan really affect sleep? This essential amino acid, a precursor to melatonin, shows a proven effect on nighttime awakenings, with weaker…
Moringa Benefits: Dosage and Precautions (2026)
Moringa benefits for blood sugar, cholesterol and oxidative stress remain modest in clinical trials. Here is what the evidence, dosage and precautions…
Zinc Benefits: Proven Effects, Dosage and Precautions (2026)
Zinc benefits immunity, wound healing and protein synthesis, but the evidence supports targeted use, not routine high-dose supplementation. Here is what the…