ScienceInsights

At 35 weeks, your baby weighs around 5.5 lbs and fits in your arms — here's what's developing and what to expect if they arrive early.

Weed gummies can stay in your system longer than you might expect. Learn how body fat, metabolism, and test type all affect detection windows.

Find out how much water 11-year-olds actually need each day, how activity and heat affect that amount, and simple ways to help kids stay hydrated.

Most sinus infections clear up on their own, but duration and symptoms can tell you a lot about whether you need medical care.

Most mosquito bites clear up in 3 to 4 days, but scratching, skin type, and immune response can stretch that timeline considerably.

From honey to steam, here are practical home remedies that can ease a cough quickly, plus when it's time to see a doctor.

Unexplained leg bruises are often harmless, but can stem from medications, aging, or nutrient gaps. Here's how to tell when it's worth a doctor's visit.

Cold sores are caused by HSV-1, a virus that stays in your body for life. Learn what triggers outbreaks and how to manage them.

Learn the right ibuprofen dose for adults and kids, how often you can take it safely, and who should use less or avoid it altogether.

Low blood protein can be linked to several cancers, including liver, kidney, and blood cancers. Learn which cancers affect protein levels and why.