Justin Bieber's toxicology report from his DUI arrest has tested positive for certain drugs, but negative for others. Bieber tested positive for marijuana and prescription drugs, showing Alprazolam, which is a main ingredient in Xanax. According to TMZ, the Biebs tested negative for cocaine, meth, opiates, and other illegal substances.
TMZ further reports:
The report is consistent with the police report where cops say he told them his mom had provided him with prescription pills. As for the weed, Justin also told cops he had been smoking pot in his recording studio all night long. Bieber has pled not guilty to the charges.