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Type 1 diabetes
Learn about the symptoms, causes, treatment of this chronic condition in which the pancreas produces little or no insulin.
Thrombocytopenia (low platelet count)
Thrombocytopenia — Comprehensive overview covers symptoms, causes, treatment of a low platelet count.
Sickle cell anemia
Learn about the symptoms, causes and treatment of this inherited blood disorder that, in the United States, is more common among Black people.
Severe acute respiratory syndrome (SARS)
Learn about this contagious and sometimes fatal respiratory illness. The last known infection was reported in 2004.
Myocarditis
Learn about the diagnosis and treatment of this inflammation of the heart muscle that can reduce the heart's ability to pump blood.
Infectious diseases
Viruses, bacteria, fungi and parasites can all cause infection. Find out more about how to prevent and treat these conditions.
Hepatitis B
This highly contagious virus can cause long-lasting problems if it goes untreated. Learn about the symptoms, treatment and prevention of this serious liver infection.
Hepatitis A
This contagious liver infection is caused by a virus. Learn more about its symptoms, treatment and prevention, including the hepatitis A vaccine.
Hemophilia
In this inherited disorder, the blood lacks one of several clot-forming proteins. The result is prolonged bleeding, which can be life-threatening.
Food poisoning
Learn more about foodborne illnesses that can cause upset stomach, vomiting and diarrhea within hours of eating contaminated food.
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