A U.C. Berkeley approved research project published by Erowid. It takes a while depending on your answers but if you don't mind helping the scientific community understand the effects of drugs, take the survey.
dirtyhippy420 Reviewed by dirtyhippy420 on . UC Berkley study (erowid) A U.C. Berkeley approved research project published by Erowid. It takes a while depending on your answers but if you don't mind helping the scientific community understand the effects of drugs, take the survey. Rating: 5