Marijuana is the most commonly abused illicit drug in the United States. It is a dry, shredded green and brown mix of flowers, stems, seeds, and leaves derived from the hemp plant Cannabis sativa. The main active chemical in marijuana is delta-9-tetrahydrocann

It is believed that hashish originated in West Asia, where the cannabis plant was widely available. Northern Pakistan has a long social tradition in the production of hashish, known locally as Charas, which is believed to be the same plant resin as was burned

Police say they found a marijuana growing operation inside a Prairie Village house this week.