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 . Medications cost $ 2,000 a month , which he was paying for out of pocket . 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 .
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 .