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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 (THC), and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
A larger body of research, though, reveals concerns about the effects of heavy, long-term marijuana use — especially on young people's mental health. ... Many studies show a positive correlation ...
A growing body of research and numerous anecdotal reports link cannabis with several health ... 11 key findings from one of the most comprehensive reports ever on the health effects of marijuana.
There are plenty of studies detailing the negative effects of marijuana as well. Only now, science is suggesting marijuana isn't all bad as might have been previously believed.
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.
The effects last for two to six hours, depending on the amount used. At high doses, mental effects can include anxiety, delusions (including ideas of reference), hallucinations, panic, paranoia, and psychosis. There is a strong relation between cannabis use and the risk of psychosis, though the direction of causality is debated.
A 2018 study in Andrology looked at healthy guys without clinically low T who had consumed marijuana at some point in the last five years. Researchers found that healthy guys who had smoked within ...
Short-term use increases both minor and major adverse effects. [116] Common side effects include dizziness, feeling tired, vomiting, and hallucinations. [116] Long-term effects of cannabis are not clear. [120] Concerns including memory and cognition problems, risk of addiction, schizophrenia in young people, and the risk of children taking it ...