| − | In the US, the '''Controlled Substances Act''' regulates [[pharmaceutical]]s. It divides [[drug]]s into classes called schedules and established rules for enforcement of the schedules. | + | In the United States, the '''Controlled Substances Act''' (CSA) regulates drugs with abuse potential. It divides [[drug]]s into classes called schedules, and establishes rules for the process and enforcement of the schedules. Originally focused on psychoactive drugs with abuse potential, the Act now also controls anabolic steroids. |