Health | Diseases & Conditions | Rare Diseases

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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12 Deadly Diseases Cured in the 20th Century

There are times when it feels like a pretty lucky thing to be living in the 21st 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.


Frequently Asked Questions About Proteus Syndrome

Frequently Asked Questions About Proteus Syndrome

Proteus syndrome causes atypical development of bone and tissue, leading to physical deformities. See these frequently asked questions about Proteus syndrome. See more »

Frequently Asked Questions About Neurofibromatosis

Frequently Asked Questions About Neurofibromatosis

Neurofibromatosis is a genetic disorder that causes tumors to form on nerves throughout the body. Learn more about neurofibromatosis here. See more »

Top 10 Rare Diseases

Top 10 Rare Diseases

Rare diseases are usually genetic, but environmental factors can play a role. Take a look at the top 10 rare diseases that you may never have heard of. See more »

20 Diseases You've Probably Never Heard Of

20 Diseases You've Probably Never Heard Of

There are many diseases out there you've never heard of. We've put together the top 20 diseases you've probably never heard of that are rare and unusual. See more »

The Elephant Man Image Gallery

The Elephant Man Image Gallery

These pictures of the 'Elephant Man' are of one of the most shockingly disfigured person in history. See pictures of the 'Elephant Man' to learn more. See more »

Freak Show Quiz

Freak Show Quiz

They were peculiar, and sometimes horrifying, but what was really wrong with them? Test your knowledge of some famous circus freaks in this seven-question quiz. See more »

The Ultimate Diagnosis Quiz

The Ultimate Diagnosis Quiz

Think you know all there is to know about rare medical disorders? Play doctor and find out with this quiz! See more »

Fact or Fiction: Eradicated Diseases

Fact or Fiction: Eradicated Diseases

This eradicated disease quiz will test your knowledge of some of the diseases that science has defeated. Test yourself with this eradicated disease quiz. See more »

Bizarre Medical Conditions Quiz

Bizarre Medical Conditions Quiz

The bizarre medical conditions quiz tests your knowledge of some almost unbelievable conditions. Learn more with the bizarre medical conditions quiz. See more »

10 Bizarre Medical 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 »