It is well known that with every war comes casualties. Soldiers can lose an arm or a leg, or even their life, when they go to war. Unfortunately, soldiers can also lose their minds due to war. Specifically, this research paper will focus on post-traumatic stress disorder, or in other words: PTSD. PTSD has appeared as a factor in many wars, but for some reason, one war in particular stands out from all the others when it comes to PTSD numbers. It's called the Vietnam War. The Vietnam War (1956-1975) was part of the Cold War. The United States wanted to prevent Vietnam from becoming a communist country, so after the division of Vietnam into North and South, it began to support South Vietnam. The United States thought that if Vietnam fell into the hands of communism, all of the South -East Asia would follow. The United States soon began fighting the invisible ghosts of the Vietnamese jungles, known as the Vietcong. The Viet Cong used guerrilla tactics, blending into normal civilian life. Unable to distinguish Viet Cong from civilians, American forces ended up killing many. Obviously killing people can cause PTSD, but that happens in all wars. The question remains: Why did Vietnam War veterans suffer from PTSD more than in other wars? There are many theories as to why this is the case. However, this article will focus on one theory. The public's negative opinion of the Vietnam War had a direct effect on the number of PTSD cases after the war. Although the Vietnam War was fought under extremely brutal climatic and natural conditions, public opinion regarding the war took just as much, if not more, toll on the poor veterans. However, to truly understand how PTSD works, you need to look at it in detail.PTSD (Post Traumatic S...... middle of paper ...... tp://winoverptsd.com/wp /category/disturbing -facts-about-vietnam-veterans/.Sitikoff, Harvard “The Postwar Impact of Vietnam.” http://www.eturabian.com/turabian/school_Website.html.Susan James, “Suicide Rates Spike in Vietnam.” Vets Who Won't Seek Help,” ABC news, May 3, 2012, accessed April 24, 2014, http://abcnews.go.com/Health/vietnam-vets-highest-rates-suicide-alonghisde-baby-boomers/story ?id=19100593.Steve Twedt, “Study Finds Viet Veterans Suffer More Than Non-Veterans,” Chicago Tribune, June 26, 1986, accessed April 24, 2014, http://articles.chicagotribune.com/1986-06- 26/features/8602150694_1_non-veterans-nightmares-study.Us History: Pre-Columbian to the New Millennium (Online textbook publication location: Publisher, year published (not listed) Accessed May 18, 2014. http:// www.ushistory.org/us/60a.asp..