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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.
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.
Due to the way marijuana is smoked — unfiltered and breathed in deeply and held in the lungs and throat for a few seconds — the risk from cannabis smoke could be even greater, experts say.
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 ...
Laboratory studies have shown that THC, the psychoactive ingredient in marijuana, can cause an increase in inflammation in the blood vessels, so edibles aren’t necessarily risk-free, Wu said.
Weekly cannabis use is generally required for the syndrome to occur; synthetic cannabinoids can also cause CHS. [ 6 ] [ 5 ] The underlying mechanism is unclear, with several possibilities proposed. [ 2 ] [ 5 ] Diagnosis is based on the symptoms, as well as the history of cannabis use (including a urine screen test if necessary). [ 6 ]
A survey of American adults found that many erroneously believe it is safer for the lungs to smoke weed than tobacco, and that any secondhand smoke from marijuana is also safer.
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.