Find out more about the different types, signs, symptoms and causes of brain tumors, which are growths of cells in the brain.
Disease
Radiation sickness
Read about what happens when someone is exposed to high doses of radiation, and what you can do to prevent such exposure in an emergency.
Disease
Ulcerative colitis
This type of inflammatory bowel disease causes swelling and sores in the digestive tract. Learn more about symptoms, treatment and managing flares.
Disease
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare condition that causes tumors and overproduction of hormones.
Disease
Mold allergy
Coughing, sneezing and itchy eyes often happen with this common allergy. Find out how to treat and help manage this condition.
Disease
Familial hypercholesterolemia
This inherited condition can cause extremely high levels of "bad" cholesterol, even in childhood, and can lead to early heart attacks and death.
Disease
Ringworm (body)
Learn more on causes, symptoms, treatments of this easily spread fungal skin infection that itches and is related to athlete's foot.
Disease
Congenital adrenal hyperplasia
This group of inherited genetic conditions limits the adrenal glands' ability to make certain vital hormones.
Disease
Partial anomalous pulmonary venous return
In this heart condition present at birth, some blood vessels of the lungs connect to the wrong places in the heart. Learn when treatment is needed.
Disease
Dwarfism
Very short stature of 4 feet 10 inches or less that results from a genetic or medical condition is considered dwarfism. Learn about causes and treatment.
Disease
Febrile seizure
These frightening but generally harmless seizures are triggered by a fever and affect infants and young children.
Disease
Lynch syndrome
Learn about this condition that passes from parents to children, raising the risk of colon cancer, endometrial cancer and other kinds of cancer.