A new study has found that veterans of the 1991 Gulf War were exposed to neurotoxins such as the anti-chemical warfare drug, pyridostigmine, insect repellants, and sarin, that caused changes in their brains.
Researchers at the University of Texas Southwestern Medical Center, Southern Methodist University, and the Veterans Affairs Medical Center in Dallas studied 21 chronically ill Gulf War veterans from the same Naval Reserve construction battalion. The veterans all had symptoms associated with Gulf War syndrome. The researchers used digital brain imaging to determine if the veterans' ill health was associated with observable brain dysfunction.
The brain scans revealed that the veterans' brains differed from those of healthy individuals and that the degree of change appeared to differ depending on the specific chemicals and how much of them each veteran had been exposed to. The researchers also revealed that the changes also corresponded to different sets of symptoms.