 This is Science Friday. I'm Rachel Feltman. Last month, the first psychedelic therapy treatment came before the Food and Drug Administration for a vote. The use of MDMA, also known as ecstasy or molly, to treat PTSD. MDMA therapy has looked promising as a treatment for PTSD and other mental health conditions in some studies, but the FDA scientific advisory panel that saw the case voted overwhelmingly against approving it.