Salmonella is an illness that affects your intestines. It's caused by Salmonella bacteria. You can be infected from eating or drinking contaminated food or water. Here's what you should know.

During a liver transplant, your diseased liver is taken out and replaced with a healthy donor liver. Here's what you can expect before, during, and after your surgery.

During a liver transplant, your diseased or injured liver is removed. It's replaced with a healthy donor liver. Learn about the process leading up to your transplant.

Coping with the physical limitations of chronic lung disease can be a challenge for both your loved one and you. But you can each take steps to simplify your daily routine.

Sturge-Weber syndrome (SWS) causes a pink or purple birthmark called a port wine stain on the face. Abnormal blood vessels form on the surface of the brain on the same side as the port wine stain. This can lead to complications such as seizures, increased pressure in the eye (glaucoma), or developmental delay.

Your child has been diagnosed with Guillain-Barré syndrome (GBS). This is an illness that affects the peripheral nerves. GBS can cause serious health problems. But the illness is often short-term. Many children recover fully. Here's what you need to know.

Encephalitis is inflammation of the brain. It's often caused by a virus. Learn about the symptoms, and how it's diagnosed and treated.

Learn about symptoms and treatment of a brain abscess in children. An abscess is a local area of infection caused by bacteria or a fungus.

Learn about the different types of tumors a child can have.

The nervous system is made up of the brain, spinal cord, and nerves. These parts work together to allow your child to think, learn, speak, and feel emotions. They also help to control basic body functions such as movement, sensation, breathing, and heartbeat. The brain and spinal cord make up the central nervous system. The nerves outside the brain and spinal cord make up the peripheral nervous system.