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Detailed information on how the digestive system works, including a full-color, labeled illustration of the digestive system.

Detailed information on diphtheria, including symptoms, transmission, treatment, and prevention

If your healthcare provider thinks you might have melanoma, you will likely need certain exams and tests to be sure.

When the kidneys' filters (glomeruli) become inflamed and scarred it is called glomerulonephritis. The kidneys slowly lose their ability to remove wastes and excess fluid from the blood to make urine.

Dehydration means that you don’t have enough water in your body. Learn more about this condition, including causes, symptoms, prevention, and treatment.

Urinary incontinence is the loss of urine control. It may be a short-term problem caused by another health issue or a long-term problem that you’ll have to manage. Learn more about this condition, including what causes it, who is at risk, what the symptoms are, and how it's diagnosed and treated.

Bone marrow suppression is when fewer blood cells are made in the marrow. It's a common side effect of some strong medicines, such as chemotherapy.

Low birth weight is a term used to describe babies who are born weighing less than 5 pounds, 8 ounces (2,500 grams). An average newborn usually weighs about 8 pounds. A low-birth-weight baby may be healthy even though small. But a low-birth-weight baby can also have many serious health problems.

Schizophrenia is a serious mental illness. It is a long-lasting and disabling problem of the brain. A child with this disorder has unusual behavior and strange feelings.