A hundred years ago, marijuana was considered a threat to civil order and mental health. Today, recreational marijuana is legal in two countries: Canada and Uruguay. More countries are expected to follow—some in an attempt to reduce underage use of the drug. In the United States, marijuana is legal for recreational use in 11 states and in 33 for medical use. Legalizing Marijuana analyzes the issues related tolegalization, use, misuse, and if legalized, how to address the futures of people currently convicted or serving time for marijuana-related crimes.