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…
Anemia: what hemoglobin levels are normal by age and sex?
What hemoglobin level counts as anemia? The WHO 2024 cutoffs by age, sex and pregnancy, what a low value means after 65,…
Slow Wound Healing After 60: 5 Causes and When to See a Doctor
After 60, wound healing slows for physiological reasons, but five documented causes can turn a delay into a chronic wound. Here are…
Sedentary Behavior: How Sitting Damages the Heart and Muscles
Sedentary behavior damages the heart and muscles even in people who exercise. Beyond 10.6 hours of sitting a day, heart failure risk…
Rounded Back After 50: How to Fix Your Posture for Good
A rounded back after 50 is usually thoracic hyperkyphosis, driven by weak back extensor muscles rather than age itself, and it can…
Bone Marrow Aging: 5 Proven Keys You Should Know
Bone marrow ages through five proven mechanisms, from stem cell shifts and clonal hematopoiesis to marrow fat gain, reshaping blood counts and…
Herniated Disc: 7 Essential Habits to Adopt After 40
A herniated disc affects most adults between 40 and 60 as spinal discs lose water and elasticity. Here is what the science…
Muscle Loss: When Should You Really Start to Worry?
Muscle loss accelerates after age 50, but only becomes a medical concern past certain strength and mobility thresholds. Grip strength and walking…
Pattern Baldness: 5 Causes Proven by Science
Pattern baldness is driven mainly by genetics and DHT sensitivity, not stress or shampoo. Here is what the research actually confirms.