Movement, recovery, and prevention
Practical, no-hype guidance on exercise, recovery, heart health, and caring for your body at any age.
40 articles
Why leg cramps strike at night, from muscle fatigue and dehydration to pregnancy and medications, plus stretches that help, the truth about magnesium and quinine, and how cramps differ from a clot.
How to tell a sprain from a broken bone: swelling, bruising, deformity, weight bearing and point tenderness compared, plus first aid and when to choose urgent care, the ER or 911.
Why joints crack, pop and grind, why painless noise is usually harmless, what knuckle cracking does and does not do, and the signs that point to injury or arthritis.
Food poisoning or stomach flu? Compare timing, spread, symptoms and duration, learn how norovirus fits in, spot the signs of dehydration, and know when bloody diarrhea or fever needs a doctor.
Tension headache or migraine? Compare location, pain quality, severity, nausea, light and sound sensitivity, and aura side by side, plus the thunderclap and stroke warning signs that mean calling 911.
Cold, flu, or COVID? Compare onset, fever, aches, loss of taste or smell, and fatigue side by side, learn why only a test can tell, and know the warning signs that mean 911.
Herpes cannot be diagnosed by sight, and canker sores, ingrown hairs, folliculitis, contact dermatitis and syphilis can all look similar. Here is what separates them and how testing works.
Saline rinses, steam, humidified air and head elevation can ease a blocked nose. Here is what the evidence supports, the critical water safety rule, and when to see a doctor.
Eczema, hives, psoriasis, ringworm, shingles and more, compared side by side, plus the blanching test and the rash warning signs that mean emergency care rather than an appointment.