Many states in the US are debating whether to classify marijuana as an effective way to combat post traumatic-stress disorder. However, according to a new report from The Southern for many United States veterans of war, there is no debate needed: They’re increasingly using cannabis even though it remains illegal in most states and is unapproved by the Department of Veterans Affairs because major studies have yet to show it is effective against PTSD. While the research has been contradictory and limited, some former members of the military say pot helps them manage their anxiety, insomnia and nightmares. Prescription drugs such as Klonopin and Zoloft weren’t effective or left them feeling like zombies, some say. “I went from being an anxious mess to numbing myself with the pills they were giving me,” said Mike Whiter, a 39-year-old former Marine who lives in Philadelphia, where marijuana is illegal. “Cannabis helped me get out of the hole I was in. I started to talk to people and get over my social anxiety.” Others, though, have seen little benefit from the drug. And the VA has documented a troubling rise in the number of PTSD-afflicted veterans who have been diagnosed with marijuana dependence, [...]