Rare diseases may not be common, but they are no less painful or difficult than conditions you've heard of. Learn about the causes and symptoms of rare diseases as well as how patients can find treatments for their unusual conditions.
10 Bizarre Medical Conditions
Bizarre medical conditions have baffling symptoms and often no cure. Take a look at these 10 bizarre medical conditions that have and do occur. See more »
What are the world's rarest diseases?
The world's rarest diseases may affect few people or may exist solely in a lab. Learn about the world's rarest diseases and what makes a disease rare. See more »
12 Deadly Diseases Cured in the 20th Century
Diseases like polio and smallpox took countless lives before a cure was found. Read our list of 12 diseases that were cured in the 20th century. See more »
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