ScienceInsights

Whether to eat before or after a run depends on your goals, run length, and body. Here's how to figure out what works for you.

At 9 weeks, babies see best at 8–12 inches away. Learn what their blurry world looks like and how to support healthy vision development.

From salt water gargles to the right pain reliever, here's what actually soothes a sore throat and when it's time to see a doctor.

Toddler biting is normal but manageable. Learn why it happens and practical ways to reduce it through better responses and replacement behaviors.

Foamy morning urine is often just dehydration, but it can sometimes signal excess protein linked to kidney issues. Here's how to tell the difference.

Plan B's effectiveness depends on timing, body weight, and other factors. Here's what actually affects your chances and what to do next.

Ice, heat, and a few topical treatments can speed up bruise healing. Here's what actually works and when to see a doctor.

OTC ibuprofen caps at 400 mg per dose for good reason. Learn safe single-dose limits, timing between doses, overdose risks, and children's dosing.

Milia are harmless but stubborn. Learn what causes these tiny white bumps, how to treat them with retinoids or exfoliants, and when to see a dermatologist.

Most tongue bumps are harmless and heal on their own, but some need a closer look. Learn what's likely causing yours and when to see a doctor.