Study finds brain changes in young marijuana users

Young adults who occasionally smoke marijuana show abnormalities in two key areas of their brain related to emotion, motivation, and decision making, raising concerns that they could be damaging their developing minds at a critical time, according to a new study by Boston researchers. Jodi Gilman, instructor in psychology at Massachusetts General Hospital, is the lead author. Staci Gruber, associate professor of psychiatry at McLean Hospital, is also quoted.

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