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The book's chapters thus address issues of marijuana's real or putative effects on sex hormones and reproduction, lungs, the immune system, the brain, memory, cognition and motivation; the gateway theory and addiction; crime, deviance and punishment, and so on -- in other words, virtually all the concerns that have been raised for decades in ...
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.
Media coverage of marijuana has progressed in recent history. Attention and coverage of the drug began in the 1930s when fabricated horror stories of its effects were used to scare the public and influence public opinion. [57] To push the negative connotations of marijuana even more, films such as Marihuana (1936) and Reefer Madness (1937) were ...
Cannabis has a longstanding reputation for helping people relax, but recent research has found it can have a negative impact on mental health. For that reason, it's understandable to have questions.
A cloud of marijuana smoke rises as a clock hits 4:20 p.m. during the Mile High 420 Festival in Denver on "weed day" in 2022. - Patrick T. Fallon/AFP/Getty Images/File
About 1 in 5 people over the age of 12, an estimated 61.9 people in the U.S. have used marijuana in the past year, up from 52.5 million the year before, according to the National Survey on Drug ...
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.
D’Souza added that cannabis use can have serious impacts on the developing brain because of its effects on the endocannabinoid system, a complex signaling system in the brain that marijuana targets.