As legislators around the world try to rein in video game violence, a new spate of research is finding a flip side to all the virtual carnage. In the United States, warlike videogames are being used, with initially positive results, to treat veterans suffering from post-traumatic stress disorder. Advocates say that video games help veterans, many of whom are already experienced gamers, overcome their doubts about psychotherapy and confront shocking events, reports American Medical News. One such game, “Virtual Iraq,” which takes its lead from the consumer video game “Full Spectrum Warrior,” can be tailored to meet a particular patient’s experience, by recreating the specifics of a traumatic event — even down to sounds and smell. But don’t violent video games spur violence?