here at the conference we found sarah huntley who said she was abused emotionally and physic physically as a child. it mate me worthless most of the time and that i was aed burden to that member of my family. reporter: he said it stripped of her self-confidence and as a 17-year-old high school student, she started taking the drug ecstasy. known as mdma. ecstasy was developed in the early 20th century as a possible appetite suppressant, of course people use it for hallucinogenic effects, users say it could heighten their senses and lower their inhibitions. now, 23, sara says it helped her get her life back. using the mdma helped ease nigh sense of fear and defensiveness. they talk about being happy. reporter: psychiatrist midhoefer has never exam and