The magazine of preventive health and longevity.
Sourced, fact-checked articles written by doctors and experts, to understand, prevent and act every day.
Thymus: how this immune organ atrophies with age
The thymus, where T lymphocytes are trained, starts to atrophy in the first year of life and fills with fat. Here is…
Constipation after 60: 6 proven causes and when to see a doctor
Constipation after 60 usually has identifiable causes, from low fiber intake to everyday medications. Here are the six causes backed by research,…
Shingles: 5 proven facts about the risk after 50 and the vaccine
Shingles becomes more frequent after 50 as cell-mediated immunity ages. Here are five proven facts on lasting nerve pain, stroke risk and…
CRP levels: normal range by age and what a high result signals
CRP levels rise within hours with infection and slowly with age. Here are the normal thresholds by age and sex, what a…
Calcium score: what this number reveals about your arteries by age
A calcium score of 0, 100 or 400 does not mean the same thing at 45 and at 75. Here is what…
Magnesium threonate: what is proven, dose and precautions
Magnesium threonate was designed to raise brain magnesium. Here is what six human trials on memory and sleep really show, the dose…
Uric Acid: Normal Levels by Age and Sex, and When to See a Doctor
Normal uric acid ranges from 210 to 420 µmol/L in men and 150 to 350 µmol/L in women before menopause. Here is…
Dry Eyes After 60: 5 Proven Causes and When to See a Doctor
Dry eyes affect nearly one in five people after 80. Meibomian glands, hormones, medications, screens and diabetes: here are the 5 causes…
Divorce and health: what are the real effects on life expectancy?
Divorce is linked to a 30% higher risk of early death on average, yet most people adapt well. Here is what studies…