Doctors use certain milestones to tell if a preschooler is developing as expected. There's a wide range of what's considered normal, so some children gain skills earlier or later than others. Kids who ...

This schedule of recommended vaccines may vary depending upon where you live, your child's health, the type of vaccine, and the vaccines available. Some vaccines might be given as part of a ...

Temper tantrums can be frustrating for any parent. But instead of looking at them as disasters, treat tantrums as opportunities for education. Temper tantrums range from whining and crying to ...

The nervous system controls everything you do, including breathing, walking, thinking, and feeling. This system is made up of your brain, spinal cord, and all the nerves of your body. The brain is the ...

Achilles tendonitis is inflammation (irritation and swelling) of the Achilles tendon. The Achilles tendon is a band of tough tissue on the back of the foot. It connects the heel bone to the calf ...

Girls have lots of questions about the body changes of puberty. When will my breasts grow? What's the "normal" age to get your first period? Watch this video and find out!

Coughing is a healthy reflex that helps clear the airways. A severe cough or one that lasts more than a week requires a medical checkup. But many coughs are caused by a virus that just needs to run ...

Every single person has a skeleton made up of many bones. These bones give your body structure, let you move in many ways, protect your internal organs, and more. It's time to look at all your bones — ...

The thyroid (say: THYE-royd) is a gland, which is an organ that makes special chemicals called hormones (say: HOR-moans). The thyroid is shaped like a little butterfly or bow tie and it sits under the ...

Baths do more than keep your baby clean. They also give you a chance to bond. With a little planning and practice, both you and your baby will look forward to bath time. Here are the basics about ...

You probably know that asthma is an illness that causes breathing problems. But what happens in the lungs when someone has asthma? Watch this video to find out.

Parents might be surprised by how their newborn looks. Before birth, babies are immersed in amniotic fluid and folded up in an increasingly tight space. Then in most deliveries, they're pushed through ...