Historically, suicide rates in the U.S. Army have dipped during periods of combat. But that trend has not held true in the lengthy wars of Vietnam, Afghanistan and Iraq, a recent study of service suicide rates from 1819 to 2017 found. The largest historical study to date of suicide in the U.S. Army was published this month in the Journal of the American Medical Association (JAMA) Network Open. Two professors and a student from the University of Hawaii at Hilo conducted the study in conjunction with the Department of Defense. Researchers relied on the U.S. Army Surgeon General Office's data and used other government records for their findings. Read more on Military.com.