Playing competitive sports can boost self-esteem and teach teamwork and leadership lessons. But sometimes being on a team that focuses too heavily on performance--or appearance--may trigger an eating disorder.

A language disorder in a child means they have trouble understanding words that they hear and read. Or the child has trouble speaking with others and expressing thoughts and feelings.

A speech sound disorder means that a child has trouble saying certain sounds and words past the expected age. This can make it hard to understand what a child is trying to say. Read on to learn about causes, risks, and treatments for these disorders.

Poison control centers are always open - 24 hours a day, 7 days a week, 365 days a year. They're staffed by pharmacists, healthcare providers, nurses, and other experts who are available by phone.

Astrocytoma is the most common type of brain tumor in children. It is usually low grade, which means slow-growing.

Achalasia is a rare disease that makes it hard to swallow food and liquids. In achalasia, there is a problem with the tube that carries food from the mouth to the stomach (esophagus).

Burners and stingers syndrome is a type of sports injury. It is a pain in the shoulder or neck that causes a burning or stinging feeling down an arm to the hand.

Burkitt lymphoma is a rare, fast-growing form of non-Hodgkin lymphoma (NHL). It’s a type of cancer of the lymphatic system. The lymphatic system is part of the immune system. It helps to fight diseases and infections.

Sports medicine healthcare providers have special training to restore function to injured patients so they can get moving again as soon as possible. They are experts on preventing illness and injury in active people.

The brain is part of the central nervous system (CNS). The CNS also includes the spinal cord. A tumor is an abnormal growth of tissue. An oligodendroglioma is a type of CNS tumor called a glioma.