In addition Nichols says he was likely exposed to Depleted Uranium (DU) from downed Iraqi tanks and vehicles he and his unit had direct contact with during combat missions in Kuwait. Partial support for this belief comes from several miscarriages with his former wife and his apparent inability to produce children.

Study: More birth defects found in Gulf War babies
The rising number of cases in Iraq, particularly in the South where the greatest concentration of DU was fired, is simply staggering. Iraqi physicians have never encountered anything like it, and have made the perfectly reasonable point that similar increases in cancer and deformities were experienced in Japan after the two US atomic bomb attacks. Cancer has increased between 7 and 10 fold; deformities between 4 and 6 fold. LIFE magazine November 1995

"Once inside the body, DU causes a slow death from cancers, irreversible kidney damage or wastage from immune deficiency disorders. In the UK (with far less combat soldiers than the US), there are more than 400 veterans who are estimated to have died from "Gulf War Syndrome", Dr. Durakovic - Professor of Nuclear Medicine, Georgetown University Coincidentally Dr. Durakovic was forced to flee the U.S. due to threats against his life "if he were to continue his research."