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Disease

Premature birth

Here's what you need to know about caring for a premature baby and the possible health problems of a preterm birth.
Disease

Attention-deficit/hyperactivity disorder (ADHD) in children

This condition affects children and may continue into adulthood. It can include having a hard time paying attention, being hyperactive and being impulsive.
Disease

Supraventricular tachycardia

SVT is a heart rhythm condition that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and how it's treated.
Disease

Aortic valve regurgitation

Learn more about the symptoms and treatment of this condition in which the heart's aortic valve doesn't close tightly.
Disease

Chest pain

Pain in the chest has many possible causes — and some are serious. Here's why it's so important to see a healthcare professional about chest pain.
Disease

Ear infection (middle ear)

These usually get better on their own, but sometimes medicine is needed. Find out more about diagnosis and treatment of this common ear condition.
Disease

Diarrhea

Learn more about what causes this common, unpleasant digestive condition, and how you can treat and prevent it.
Disease

Mesenteric lymphadenitis

This condition involves swollen lymph nodes in the membrane that connects the bowel to the abdominal wall. It usually affects children and teens.
Disease

Conjoined twins

If an early embryo only partially separates and two babies develop, they remain physically connected — most often at the chest, abdomen or pelvis.
Disease

Enlarged spleen (splenomegaly)

Learn about what your spleen does and what can happen if it becomes enlarged.
Disease

Noonan syndrome

This genetic condition stops typical development in parts of the body. It may include unusual facial features, short height, heart problems or other issues.
Disease

Prader-Willi syndrome

This rare genetic condition leads to physical, mental and behavioral problems, including being hungry all the time.

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