Marijuana is the most commonly used illegal drug in the U.S. It is made up of dried parts of the Cannabis sativa hemp plant.
Pot, ganga, weed, grass, 420
Statistics and Trends
Most people use drugs for the first time when they are teenagers. There were just over 2.8 million new users (initiates) of illicit drugs in 2012, or about 7,898 new users per day. Half (52 per-cent) were under 18.
More than half of new illicit drug users begin with marijuana. Next most common are prescription pain relievers, followed by inhalants (which is most common among younger teens).
The NIDA-funded 2010 Monitoring the Future Study showed that 13.7% of 8th graders, 27.5% of 10th graders, and 34.8% of 12th graders had abused marijuana at least once in the year prior to being surveyed. Source: Monitoring the Future (University of Michigan Web Site).
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-tetrahydrocannabinol, or THC for short.
Information from: http://www.drugabuse.gov/drugs-abuse/marijuana