Substance Abuse and PTSD: A Deadly Combination Our war heroes should be greeted with parades and celebrated. Instead in many accounts, they fall into the cracks of society and become addicted to drugs and alcohol. Combined with their war experiences, they sometimes face psychological issues as well. This sad reality should be unacceptable in America. These men fought for our freedom and deserve much more instead of addiction, substance abuse and nightmares. These dangers have been researched recently. The combinations of PTSD and substance abuse on veterans was looked at by researchers at the University of Michigan. Rick Nauert, PhD.