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Marijuana is a dry, shredded mix of flowers, stems, seeds and leaves of the hemp plant Cannabis sativa. People usually smoke it as a cigarette or in a pipe. It is the most commonly abused illegal drug in the United States.
Abusing marijuana can result in problems with memory, learning and social behavior. It can interfere with family, school, work and other activities.
Scientific studies are underway to test the safety and usefulness of cannabis compounds for treating certain medical conditions. Currently, smoking marijuana is not recommended for the treatment of any disease or condition.
NIH: National Institute on Drug Abuse
|Source: NIH: MedlinePlus|
The percentage of U.S. high school seniors reporting past month marijuana use continues to gradually increase, according to the most recent data from the national Monitoring the Future (MTF) study. ... Dr. Robert DuPont, the first Director of the National Institute on Drug Abuse (NIDA), suggests that “the recent legalization of marijuana use . . . in Colorado and Washington State, and the legalization of ‘medical’ marijuana in 18 states and the District of Columbia will lead to further decreases in youth perception of risk from harm” (IBH, 2012).
This report presents the results of the 2011 data collection in the Arrestee Drug Abuse Monitoring II (ADAM II) program, which is an initiative of the Office of National Drug Control Policy (ONDCP) that operates in nine U.S. counties and the District of Columbia.
Monitors six types of health-risk behaviors that contribute to the leading causes of death and disability among youth and adults, including—Behaviors that contribute to unintentional injuries and violence; Sexual behaviors that contribute to unintended pregnancy and STDs; Alcohol and other drug use; Tobacco use; Unhealthy dietary behaviors; physical activity; prevalence of obesity and asthma among youth and young adults.
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This is an updated compilation of the most recent research and survey results put together by the Center for Substance Abuse Research on synthetic marijuana.
OAS provides the latest national data on (1) alcohol, tobacco, and other drug abuse, (2) drug related emergency department episodes and medical examiner cases, and (3) the nation’s substance abuse treatment system.
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