ScienceInsights

Home pregnancy tests work best 10–14 days after conception, while blood tests can detect hCG as early as 6–8 days. Learn how to get an accurate result.

When OTC treatments aren't enough, doctors may prescribe steroids, nitroglycerin, or nifedipine for hemorrhoids. Here's how each option works.

Sun poisoning goes beyond a bad sunburn. Learn the symptoms, who's most at risk, and when to seek medical care.

Learn how much whole milk toddlers need daily, when to start, and what to do if your child drinks too much or can't tolerate dairy.

The 8 glasses a day rule isn't backed by science. Here's how to figure out how much water you actually need based on your body and lifestyle.

A runny nose can have several causes, each with its own best fix. Learn which remedies actually help and when to see a doctor.

That dizzy, vision-dimming feeling when you stand up is usually orthostatic hypotension — a brief blood pressure drop. Here's what causes it and how to manage it.

Hickeys heal on their own, but cold therapy, warmth, and a few simple steps can help them fade faster in 5–12 days.

Edibles can last 4–12 hours, with effects lingering into the next day. Here's what affects the timeline and when it's safe to drive.

Newborns shouldn't sit in a car seat for more than 2 hours at a stretch. Here's why it matters and how to travel safely with your baby.