In 1998, a panel of doctors at the National Institutes of Health surmised that Joseph Merrick's affliction may have been caused by a condition known as Proteus syndrome. Find out what it is and what causes it.
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.
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