ScienceInsights

Ear pain, drainage, and dizziness can mean different things depending on where the infection is. Learn what symptoms to watch for at every age.

Feeling stuck isn't a personal failure — it's rooted in brain chemistry, learned helplessness, and life transitions. Here's what's really going on.

Yoga is more than poses. The 8 limbs offer a complete framework for living, from how you treat others to deep states of meditation.

Achilles tendon tears typically take 9 to 12 months to fully heal. Here's what recovery looks like at each stage, from early protection to returning to sport.

Learn about the main types of skin cancer—basal cell, squamous cell, and melanoma—plus rarer forms and how each one is typically treated.

Learn how to carb load effectively before a marathon, including what to eat, when to start, and how much you actually need based on your body weight.

Coke Zero and Diet Coke are more similar than different, but small ingredient variations may matter depending on your health goals.

Learn what to expect during a pulmonary function test, from breathing into a spirometer to how your results are interpreted by a clinician.

Chronic nasal stuffiness can stem from allergies, sinus issues, or even overusing nasal sprays. Learn what's likely causing yours and how to find relief.

Himalayan, sea, table, or kosher salt — the differences matter less than you think, but your health situation can still guide a smarter choice.