Long-Term Effects of Alcohol and Marijuana Use on Academic Performance

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A new study has warned that the use of alcohol and marijuana could have detrimental effects on the performance of college students.

Research has shown that the use of alcohol and marijuana has an effect on neural development, especially if usage starts early in life. Nonetheless, the usage of both substances continues to be high in colleges.

While other studies have focused on the effects of alcohol and marijuana when used individually, this new study is the first to assess the result of moderate to heavy use of both materials among college students.

Researchers found that while students who consumed a lot of alcohol and little marijuana displayed lower GPAs, the overall effect on their academic performance was not drastic and lasting. On the other hand, students who consumed both substances moderately and heavily scored low GPAs over the course of the study. Thus their performance was affected the most.

The study, which was published in the journal PLOS One, is based on data from the two-year-long Brain and Alcohol Research in College Students conducted by Shashwath A. Meda from the Olin Neuropsychiatry Research Center and colleagues.

Long-Term Effects of Alcohol and Marijuana