ScienceInsights

How many naps does your child actually need? Here's a practical guide to nap needs at every age, from newborns to older adults.

Intermittent fasting has real downsides, from muscle loss and higher stress hormones to serious risks for women and people with a history of disordered eating.

Dandruff comes down to scalp yeast, skin type, and triggers. Here's what causes it and how treatments actually work.

Ecstasy affects the brain, body, and mood in distinct ways. Here's what draws people to it and what the science says about its short and long-term risks.

Untreated chlamydia can lead to infertility, ectopic pregnancy, and serious complications. Here's what the risks actually look like and why testing matters.

From saline rinses to acupressure, these 8 home remedies can help relieve a stuffy nose without medication.

Stroke is classified as a neurological disorder because it directly damages the brain. Learn why neurologists lead stroke care and what that means for recovery.

Build stronger, more resilient knees with exercises that target the right muscles, protect cartilage, and fit into a realistic weekly routine.

Thrombosed hemorrhoids are painful but usually heal on their own. Learn what causes them, how to ease discomfort at home, and when to see a doctor.