The magazine of preventive health and longevity.
Sourced, fact-checked articles written by doctors and experts, to understand, prevent and act every day.
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…
Omega-3 Index: The Proven Blood Marker of Longevity (2026)
The omega-3 index measures EPA and DHA in your blood, a proven marker of longevity and heart health, with clear benchmarks and…
Saffron Mood: Proven Benefits, Dose and Precautions (2026)
Clinical trials suggest a standardized saffron extract at 28 to 30 mg per day eases mild to moderate depressive symptoms, with caution…
Sauna Longevity: The Complete Evidence-Based Protocol (2026)
A 20-year Finnish cohort links frequent sauna use to sharply lower rates of sudden death, dementia and hypertension, though the evidence remains…