The magazine of preventive health and longevity.
Sourced, fact-checked articles written by doctors and experts, to understand, prevent and act every day.
Hypothyroidism: What TSH Is Really Normal After 60?
After 60, TSH rises naturally with age, so a lab result above 4 mIU/L does not always mean hypothyroidism. Here are the…
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…
Leucine: how much, when and who should take it
Leucine is the amino acid that switches on muscle building. Here is how much older adults need per meal, when to eat…
Cellulite: what really reduces it, according to clinical studies
Cellulite affects 80 to 90% of women after puberty. Here is what clinical trials really show for shock waves, injections, subcision, retinol…
Always cold after 60: 6 proven causes and when to see a doctor
Being always cold after 60 often reflects a slower body thermostat, but it can also signal hypothyroidism, anemia or narrowed arteries. Here…
BMI After 60: What the Index Reveals and What It Hides
After 60, a BMI of 25 to 30 goes with the lowest mortality while an index below 23 becomes a warning sign.…
Silicon: how this mineral acts on bones, skin and arteries
Silicon supports collagen and bone mineralization. Here is what cohorts and clinical trials show for bones, skin and arteries, how much we…
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…