10 Shocking Diseases With Unknown Causes

There are many bizarre illnesses and numerous medical conditions that affect people on a daily basis, some of which end up perishing from the symptoms they experience. These odd diseases have no cause that doctors or researchers have managed to discover as of yet, which is sad considering the amount of people that are suffering at the present time. While many of these diseases are quite rare, they all have their own set of weird symptoms. Here are ten serious diseases with no cause.

Gulf War Syndrome

Gulf War Syndrome occurred within combat veterans who served during the 1991 Persian Gulf War. The disease has no known cause, but symptoms include immune system disorders and birth defects.

Twentieth-Century Disease

Twentieth-Century Disease is also sometimes called multiple chemical sensitivity. It has been described as a chronic condition that causes numerous problems. Sadly, after numerous tests, no known cause has come to light.