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Marijuana use in the United States is three times above the global average, but in line with other Western democracies. Forty-four percent of American 12th graders have tried the drug at least once, and the typical age of first-use is 16, similar to the typical age of first-use for alcohol but lower than the first-use age for other illicit drugs.
Psychoactive drugs operate by temporarily affecting a person's neurochemistry, which in turn causes changes in a person's mood, cognition, perception and behavior. There are many ways in which psychoactive drugs can affect the brain. Each drug has a specific action on one or more neurotransmitter or neuroreceptor in the brain.
Cannabis use disorder (CUD), also known as cannabis addiction or marijuana addiction, is a psychiatric disorder defined in the fifth revision of the Diagnostic and Statistical Manual of Mental Disorders and ICD-10 as the continued use of cannabis despite clinically significant impairment.
Marijuana has a lower potential for abuse than other drugs that are subjected to the same restrictions, with some scientific support for its use as a medical treatment, researchers from the US ...
The Justice Department on Thursday formally moved to reclassify marijuana as a less dangerous drug, a historic shift in generations of U.S. drug policy. A proposed rule sent to the federal ...
While marijuana has been decriminalized throughout many states in the US, it remains a Schedule I drug as of October 2024. However, on January 12, 2024, the FDA announced its recommendation that marijuana be moved to a Schedule III drug, which is a much less strictly-regulated category and would acknowledge its potential for medical use. [67]
Drug abuse, including alcohol and prescription drugs, can induce symptomatology which resembles mental illness. This can occur both in the intoxicated state and also during withdrawal . In some cases, substance-induced psychiatric disorders can persist long after detoxification, such as prolonged psychosis or depression after amphetamine or ...
The Justice Department moved forward last month with the rulemaking process to reclassify marijuana from a Schedule I drug, which includes substances with high potential for abuse such as heroin ...