ScienceInsights

Spot reduction is a myth, but you can still lose arm fat. Learn what actually drives fat loss and what to realistically expect from your efforts.

COVID fatigue can linger for weeks or months. Learn why it happens, what sets long COVID apart, and how to manage your energy during recovery.

Colonoscopy prep usually kicks in within 1–3 hours. Here's what to expect, how to tell it's working, and what to do if it isn't.

Zinc and antivirals can shorten cold sore healing time, but drying too aggressively can backfire. Here's what actually works and when to use it.

Diarrhea? Certain foods and drinks can make it worse. Learn what to skip and what to eat instead to help your gut recover faster.

Semen volume varies more than most people realize. Here's what's considered normal, what affects it, and when it's worth talking to a doctor.

Most 7-year-olds need 9 to 12 hours of sleep. Learn how to find the right amount for your child and set a bedtime that actually works.

Treat athlete's foot at home with antifungal creams, evidence-backed natural remedies, and daily habits that keep the infection from coming back.

Viral pink eye clears up on its own, but the right home care can ease discomfort and stop it from spreading to others.