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A dried cannabis flower. The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
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.
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known by several slang terms, such as marijuana, pot or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent.
In addition, researchers say there are many other potential ways marijuana might affect health that they want to understand better. SEE MORE: Marijuana use linked to schizophrenia, no cancer threat
The 74 reports on how cannabis use has increased among teens and young adults with negative impact on their brains. 'Behind the 8 ball': How research is trying to catch up on cannabis and kids ...
Cannabis use has increased significantly around the world. Past research shows that regular cannabis use can increase a person’s risk for several health concerns, including risk factors for ...
A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Among individuals who have ever used ...
Right now, medical marijuana is commonly used to treat a range of other issues. But that might not be all that the drug can do. Smoking marijuana might have some surprising health benefits