This study evaluates the impact of military service during the Vietnam era on posttraumatic stress disorder using a sample of 2092 male-male, monozygotic, veteran twin pairs
2011
Key concepts
Scholarcy highlights
- This study evaluates the impact of military service during the Vietnam era on posttraumatic stress disorder using a sample of 2092 male-male, monozygotic, veteran twin pairs
- In 715 monozygotic twin pairs who were discordant for military service in southeast Asia, posttraumatic stress disorder was found to be strongly associated with military service in SEA
- The prevalence of posttraumatic stress disorder was 16.8% in twins who served in SEA compared with 5.0% in co-twins who did not serve in SEA
- There was a ninefold increase in the prevalence of posttraumatic stress disorder, comparing twins who experienced high levels of combat with their co-twin who did not serve in SEA
- Our results demonstrate that nearly 15 years following the end of the Vietnam War, there remains a substantially increased prevalence of posttraumatic stress disorder among veterans who served in SEA
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