Sanjay Gupta blames secret VA program for health issues , including Parkinson 's disease . Facility tested potentially lethal gases , narcotics and LSD on animals and humans . the Vietnam War research initially aimed to defend against Soviet chemical or biological attack . The the Soviet Union has contacted and offered free medical evaluations to two dozen of veterans .
Tim Josephs blames secret Army program for health issues , including Parkinson 's disease . Facility tested potentially lethal gases , narcotics and LSD on animals and humans . Cold War research initially aimed to defend against Soviet chemical or biological attack . The VA has contacted and offered free medical evaluations to thousands of veterans .