Dora L. Costa|Matthew E. Kahn
Health, wartime stress, and unit cohesion: Evidence from Union Army veterans
find union army veterans american civil war faced greater wartime stress measured higher battlefield mortality rates experienced higher mortality rates older ages men cohesive companies statistically significantly less likely affected wartime stress results hold overall mortality mortality ischemic heart disease stroke new diagnoses arteriosclerosis findings represent one first longrun health followups interaction stress social networks human population stress social networks arguably exogenous