"All accept something is wrong with the 1991 veterans, but official research has focused on post-traumatic stress. The US has paid disability compensation to more than 110,000 of the 696,000 troops who fought in that war."
Less than 200 KIA's in the 1st Gulf War but 110,000 casualties.
http://www.newscientist.com/news/news.jsp?id=ns99993546