Find out more about flu caused by the H1N1 virus. Learn how to prevent and treat the flu.
Disease
Follicular lymphoma
Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
Disease
Dilated cardiomyopathy
In this heart muscle disease, the heart's main pumping chamber stretches and can't pump blood well. Learn about the causes and treatment.
Disease
Swollen knee
This condition can be caused by trauma, overuse injuries, or an underlying disease or condition. A fluid sample from the knee may be needed for diagnosis.
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.