The brains of habitual marijuana users grow smaller over time, particularly in an area that influences the odds that they will get addicted, a new study
is an increasingly popular mind-altering drug used for both recreational and limited medicinal purposes. Researchers have known for some time that habitual consumption of this drug can trigger significant changes in brain function, including the onset of marijuana/cannabis addiction. In a study published in November 2014 in the Proceedings of the National Academy of Sciences
, a team of American researchers examined the long-term impact that habitual marijuana intake can have on the brain’s structure.