History
On July 17, 1990 Hussein, the leader of Iraq, accused Kuwait of oil overproduction. Then on July 25 the U.S. ambassador to Iraq told Hussein that the Iraq/Kuwait dispute shouldn't affect the United States. On August 2 the United Nations ordered Iraq to withdraw from Kuwait. The U.S. also stopped sending supplies to Iraq and Kuwait, which all led up to the Gulf War.
Theories
There are two possible theories for the causes of the Gulf War syndrome. One theory is that stress is the cause. This is the theory that the government backs up. The other theory is that chemical agents caused the syndrome. According to a scientific panal called the Presidential Advisory Committee, stress is the most likely cause for the syndrome.