Gonzales v. Raich, 125 S. Ct. 2195 (2005)
The federal Comprehensive Drug Abuse Prevention and Control Act of 1970 classifies all controlled substances into one of five schedules, with Schedule I drugs considered to have the highest potential for abuse and to lack any accepted medical use. Since the enactment of this law, marijuana has been classified as a Schedule I drug despite considerable efforts to change this classification. As a Schedule I drug, the manufacture, distribution, or possession of marijuana is a federal criminal offense, with no exception provided for its medicinal use...