Marijuana usage among US college students receiving mental health services grew gradually from almost 19% to 26% between 2012 and 2019. However, there was a minor reduction starting in 2020, and by the end of 2021, usage had decreased to around 25%. According to research conducted by the Department of Health Behavior, students most frequently use cannabis to unwind or reduce stress, fall asleep more easily, socialize with friends, explore, or escape from issues.