The Connection Between PTSD and Substance Abuse Dual Diagnosis, Mental Health, Substance AbuseBy Promises Behavioral HealthSeptember 5, 2019PTSD and substance abuse go hand-in-hand for up to two-thirds of people with this stress disorder. In fact, people with PTSD are four times more likely to suffer from addiction than their peers without mental health problems, according to the Journal of Clinical Psychology. So what is PTSD and how does it affect addiction and…