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Since 2004, the rate of death by suicide has exceeded that of death by combat injury for American soldiers. A review of more than 100 cases involving the suicide of an active-duty soldier found a significant association between firearm ownership, access and usage patterns and increased risk of suicide.

The study, published today in the open-access, online-only journal JAMA Network Open, conducted psychological autopsies of 135 U.S. soldiers who committed