ScienceInsights

Metoprolol can cause fatigue, dizziness, and more serious effects depending on your dose and health conditions. Here's what to watch for.

130g of protein daily is reasonable for many people, but whether it's right for you depends on your weight, activity level, and where that protein comes from.

A clear look at what happens inside the brain after a concussion, from cellular changes to recovery and the risks of repeated head injuries.

Taltz works at different speeds depending on your condition. Here's a realistic look at when most people start seeing results for psoriasis, PsA, and more.

From saltwater rinses to laser treatment, here are practical ways to help canker sores heal faster and hurt less.

Acne scars respond differently to different treatments. Learn which procedures actually work for each scar type and what topical products can realistically do.

Vaginal scent varies naturally throughout the month. Learn what's considered normal, what might signal an infection, and why douching usually makes things worse.

Daily kimchi can support gut health, but sodium content and other factors matter. Here's what to know before making it a habit.

Ice, heat, stretches, and posture fixes that actually ease a stiff neck — plus signs it's time to see a doctor.

Most adults carry HSV-1, often without knowing it. Learn how common the virus is, why it spreads so easily, and what that means for your health.