Post-traumatic stress disorder is a big problem in the military, but a study shows that virtual reality therapy may help afflicted soldiers. From FC.com:


The idea behind exposure therapy is for people with PTSD to relive their traumatic experiences in a safe environment. Traditionally, the way therapists would help soldiers access their painful memories was by asking them to vividly imagine the sights and sounds of war. Virtual reality exposure therapy (VRET) takes matters a step further by actually presenting those sights and sounds.
The findings are part 