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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.
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 ...
Marijuana's official designation as a Schedule 1 drug — something with "no accepted medical use" — means it is pretty tough to study. Yet both a growing body of research and numerous anecdotal ...
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 ...
Marijuana use is also linked to other substance use disorders including nicotine addiction." [309] It also reported that "These findings are consistent with the idea of marijuana as a "gateway drug". However, the majority of people who use marijuana do not go on to use other, "harder" substances. Also, cross-sensitization is not unique to ...
The rates of schizophrenia have been stable for the last 70 years, while the rates of worldwide cannabis use have gone up from the hundreds of thousands in the 1950s to the hundreds of millions today.
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 .
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