Have a good friend with Gulf War Syndrome. He woke up in a hospital in Germany, 5 days after lights out in Iraq. After he could walk, he was retired medically, but that was by no means the end of his troubles. He figures he was gassed by the Iraqis
I have a friend who also has GWS, he is currently in Afghanistan.
He thinks it may have been the toxic air from the burning oilfields
Seems a lot more likely than DU contamination.