Researchers at the Harbor-UCLA Research and Education Institute in Torrance, California are currently recruiting volunteers to participate in an FDA-approved study on the effects of MDMA in humans. Volunteers will receive brain scans as well as other tests designed to examine the physiological and psychological effects as well as safety aspects of MDMA use. Volunteers must have prior experience with MDMA. If you would like to participate, please call 310-222-1663 for more information.