RESEARCH VOLUNTEERS: Are you a recreational Speedball user? Heroin & cocaine? Opioid & stimulant?
Healthy female and male recreational drug users (age 21-55) needed to evaluate drug effects on mood and performance. This 8-session outpatient study is being conducted at Columbia University in the Department of Psychology. You may be compensated for your time up to $754. For more information, please call 212-851-4291. All personal and identifying information will be kept confidential.
