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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.
Cannabis (/ ˈ k æ n ə b ɪ s /), [2] commonly known as marijuana (/ ˌ m æ r ə ˈ w ɑː n ə /), [3] weed, and pot, among other names, is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various ...
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
“Marijuana in the 60s, 70s, 80s and early 90s was about 2% to 3% THC,” said Thurstone, who has tracked the rise of high-potency THC products in smoke shops and dispensaries.
[4] [5] [6] Many people also use prescribed and controlled depressants such as opioids, opiates, and benzodiazepines. [2] What controlled substances are considered generally unlawful to possess varies by country, but usually includes cannabis, cocaine, opioids, MDMA, amphetamine, methamphetamine, psychedelics, benzodiazepines, and barbiturates.
Research has found that heavy marijuana use during the teen and young adult years can increase the risk of triggering the start of schizophrenia and psychosis. There is also evidence that regular ...
Benzodiazepines are well known for their strong muscle-relaxing properties and can be useful in the treatment of muscle spasms, [24]: 577–578 although tolerance often develops to their muscle relaxant effects. [15]
Teen marijuana use (non-medical) in 2024 also declined for all three grades, with the percentage of students using marijuana in the last 12 months at 26% in 12th grade, 16% in 10th grade and 7% in ...