A Vietnam Veteran Explains How Medical Marijuana Helps Him Cope As many veterans from Iraq and Afghanistan return from wars in the Middle East, they find themselves victims of another, the War on Drugs. By Sam Sabzehzar | Septemeber 28, 2011 This video has adult language and is not suitable for viewing in front of children. For David Herrick, who saved many lives as a Combat Medic in Vietnam, there is much to appreciate, and much more to fear. The rights of millions of Americans have been violated and few people see it clearer than Herrick, who has seen both sides of the drug war, and as a victim in it, event spent time in jail for using medicinal cannabis. All he wants is safe access for him and his friends, and in this interview, it's clear that there are many more like David who feel this way, as Post Traumatic Stress plays a large part of decompressing from a tour of war.