There are no set rules about how long to wait before taking a newborn out into the world or when to let people near the baby. Some doctors recommend that parents wait until their baby is a few months ...

The temporomandibular joint (TMJ) connects the lower jaw to the skull. You can feel your two TM joints and their movement by placing your fingers directly in front of your ears and opening your mouth.

Good nutrition and exercise are important, but how do you feed a picky eater or encourage kids who don't like sports to play outside? Find out how to keep kids active and eating well.

What Is the Digestive System? Food is our fuel, and its nutrients give our bodies' cells the energy and substances they need to work. But before food can do that, it must be digested into small pieces ...

How Does the Digestive System Work? So there you are, sitting at lunch, enjoying some grilled-chicken pizza and a few orange wedges. When you're finished, you take a last drink of milk, wipe your ...

What Is the Digestive System? The digestive system breaks down the food we eat into tiny parts to give us fuel and the nutrients we need to live. As food breaks down, we get amino acids from protein, ...

Rejection doesn't have to be about the big stuff like not getting into your top college, not making the team, or not getting asked to prom. Everyday situations can lead to feelings of rejection, too, ...

What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out ...

What Is Abusive Head Trauma? Abusive head trauma is a head or neck injury from physical child abuse. It happens when someone shakes a baby or hits the baby against something hard. Most cases happen ...

Viruses cause most diseases spread to people by mosquitoes. Malaria is caused by a parasite. Different mosquitoes carry different diseases. How common these illnesses are depends on where people live ...

A stiff neck without other symptoms is often caused by minor muscle strain from sleeping in an odd position or looking down at a phone too long. This usually gets better with home care. When Should I ...

What Is a Perforated Eardrum? A perforated eardrum is a tear or hole in the ear's tympanic membrane (the eardrum). A perforated (PER-fer-ate-id) eardrum can hurt, but most heal in a few days to weeks.