Hernias can feel different depending on where they are. Learn what sensations to expect in the groin, belly button, or chest, and when to see a doctor.
Trouble maintaining erections is common and treatable. Learn about the most likely causes, from stress to blood flow issues, and what can actually help.
85 decibels is about as loud as heavy traffic—and it's the level where hearing damage can start. Here's what that sounds like and how to protect your ears.
A look at Sun Bum's chemical and mineral sunscreen ingredients, what the research says about safety, and which formula works best for kids and sensitive skin.
During REM sleep, your brain is nearly as active as when you're awake, your body becomes temporarily paralyzed, and your emotions get processed. Here's why it matters.