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A large study from the University of Colorado found heavy cannabis use is linked to reduced brain activity. ... the effects of cannabis use on 1,000 young adults from 22 to 36 years old ...
Additionally, scientists discovered that participants who were heavy cannabis users also had reduced brain activity in certain areas of the brain, including the dorsolateral prefrontal cortex ...
In what the university calls the largest study of its kind, researchers used brain imaging technology to explore the effects of recent and lifetime cannabis use on brain function among more than ...
In 2019, the US gained a total of 1.7 billion dollars in tax revenue due to the legalization of marijuana. In 2021, that number more than doubled to 3.7 billion dollars. [14] The increase in tax revenue being a driving factor in the legalization of marijuana is similar to the effects of the repeal of prohibition.
Although the majority of research has concentrated on the adverse effects of alcohol, there is now evidence that prenatal exposure to cannabis has serious effects on the developing brain and is associated with "deficits in language, attention, areas of cognitive performance, and delinquent behavior in adolescence". [94]
In 2020, the National Institute on Drug Abuse released a research report which supported allegations that marijuana is a "gateway" [3] to more dangerous substance use; one of the peer-reviewed papers cited in the report claims that while "some studies have found that use of legal drugs or cannabis are not a requirement for the progression to ...
New research shows that heavy lifetime use of cannabis — more than 1,000 times — is associated with reduced activity in areas of the brain involved in working memory. The study adds to ...
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.