ScienceInsights

Women are born with all the eggs they'll ever have. Learn how egg count changes from your 20s onward and what affects the rate of decline.

Average weight for an 11-year-old girl varies widely. Learn what growth charts really mean and how puberty shapes healthy development.

Most pregnancies involve one to three ultrasounds, but your actual number depends on your health, risk factors, and your provider's recommendations.

Treating a cold sore early makes the biggest difference. Learn which remedies actually work and when to see a doctor.

Learn how to treat a second degree burn at home, what to expect during healing, and when to see a doctor for proper care.

The arm implant is a small, flexible rod that prevents pregnancy for up to 3 years. Here's how it works, what to expect, and whether it might suit you.

From saltwater rinses to honey, here are practical ways to ease mouth sore pain and help it heal faster at home.

Medicare rarely covers dental implants, but some exceptions and plan options exist. Here's what you need to know to reduce your out-of-pocket costs.

Acetaminophen is generally the safest pain reliever to take with Sudafed, though ibuprofen and naproxen are options too. Here's what to know before combining them.

Benadryl can raise blood pressure and interfere with common medications. Here's what to use instead if you have hypertension.