 June is National PTSD Awareness Month, learning more about the condition and how to get treatment. According to the National Center for PTSD, between 7 and 8 percent of the population will experience post-traumatic stress disorder during their lifetime. Men, women, and children can experience PTSD as a result of trauma in their lives. Events due to combat, accidents, disasters, and abuse are just a few of the causes of PTSD.