We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now ...

What Is Polyarticular Juvenile Idiopathic Arthritis? Polyarticular juvenile idiopathic arthritis is a type of juvenile idiopathic arthritis (JIA). JIA is a group of disorders that causes arthritis ...

COVID-19 usually is milder in kids than in adults, though some children have gotten pretty sick from it. Many parents wonder what to do if their child gets sick. Here's what you need to know.

Earaches are common in kids and can have many causes. Here’s why they happen and what to do when your child complains of ear pain. Give acetaminophen or ibuprofen as needed to ease pain (check the ...

An erection is when the penis gets hard because sponge-like tissue in it fills with blood. Erections tend to make the penis get bigger and stand away from the body. Erections can go away on their own ...

How much do you know about your brain? Find out by taking this quiz!

Answering kids' questions about sex is a job many parents don’t look forward to. It may feel awkward when it comes to talking about puberty and where babies come from. But don’t avoid these topics.

What Is the Apgar Score? The Apgar score is a test given to newborns soon after birth. This test checks a baby's heart rate, muscle tone, and other signs to see if extra medical care or emergency care ...

Your baby is finally coming home from the hospital after a stay in the NICU. Before you leave, learn all you can from the care team about caring for your baby so that you can feel confident at home.

As a parent, you want your kids to feel happy about themselves and have good self-esteem (also called a self-image). Your words and actions affect it more than anything else, starting from when ...

Carbohydrates (car-bo-HI-drates), often called carbs, are one of the three main nutrients in food (along with fat and protein). The body breaks carbohydrates down into sugars — the major source of ...

Nighttime feedings may be over, but you might still be struggling to get your toddler to sleep. Learn how to instill good sleep habits early so your toddler can sleep well.