Noun
a medical condition of uncertain origin that affected many veterans of the 1991 Gulf War; characterized by fatigue and headache and dizziness and nausea and rashes and joint pain and respiratory disorders
Source: WordNetBut Gulf War Syndrome is not one cause, not one illness. It is many causes, many illnesses. Chris Shays
Gulf War syndrome Several clinical and epidemiological studies conducted in the United States and in the United Kingdom have investigated the occurrence of MCS in military personnel deployed to the Persian Gulf during the 1990s. Source: Internet