ScienceInsights

Tongue sores usually heal on their own, but the right remedies make a real difference. Here's what helps, what to avoid, and when to see a doctor.

Sugar cravings aren't just a willpower problem. Learn why your brain, gut, and blood sugar all play a role—and what actually helps reduce them.

Period clots are common, but size and frequency matter. Learn what's normal, what your body might be signaling, and when to see a doctor.

Most people are contagious with the flu from a day before symptoms to about 5–7 days after. Here's what affects that window and when it's safe to be around others.

A white film on your tongue can stem from dry mouth, oral thrush, or other conditions. Learn what's likely causing it and when to see a doctor.

Lexapro's maximum dose for most adults is 20 mg per day. Learn why that limit exists and what the research says about higher doses.

Dandruff itching comes down to a fungus, inflammation, and your scalp's unique response. Here's what's actually happening under the surface.

An echocardiogram uses sound waves to show how your heart looks and functions, helping doctors detect and monitor a range of heart conditions.

Single tooth denture costs vary widely by type, insurance, and location. Here's what to expect and how it compares to implants and bridges.

From saltwater gargles to honey and the right pain reliever, here are practical ways to ease a sore throat at home.