Ecstasy the 'rave party' drug extremely popular among teenagers and young adults might be useful in treating anxiety and post-traumatic stress disorder (PTSD). (Read: Ecstasy (MDMA) a rave drug could cure Parkinson’s!) Brain imaging experiments have revealed for the first time how ecstasy produces feelings of euphoria in users. 'We found that ecstasy or MDMA caused reduced blood flow in regions of the brain linked to emotion and memory. These effects may be related to the feelings of euphoria that people experience on the drug' said Robin Carhart-Harris from the department of medicine at Imperial College London. The researchers chose