The Academic Consequences of Marijuana Use During College

DevelopmentBlog

The Academic Consequences of Marijuana Use During College drawn with Pencil and Notebook

How Cannabis Impacts GPA, Focus, and Long-Term Success

Cannabis use among college-aged young adults (ages 19–30) has reached record levels in recent years. While marijuana is often viewed as harmless, research reveals concerning academic consequences of marijuana use during college. Studies now show a strong connection between marijuana use and lower college GPAs, reduced motivation, and weaker post-secondary educational outcomes. For students hoping to excel academically, these findings raise important questions about the true cost of cannabis use during college.

Research consistently shows that marijuana use can negatively affect college students in several key areas:

  • Lower GPA: Students who use cannabis regularly often report lower grade point averages compared to non-users.

  • Reduced motivation: Cannabis use may interfere with drive and academic persistence.

  • Attention and memory issues: Marijuana can impair concentration, making it harder to retain new information.

  • Weaker class attendance and retention: Chronic use has been linked to higher dropout rates.

The connection between marijuana use and poor educational outcomes is complex and still under investigation. However, neuroscientists have identified several potential mechanisms:

  • Brain structure changes: Heavy long-term cannabis use has been linked to alterations in brain regions responsible for learning and memory.

  • Weakened working memory: Difficulty storing and recalling information can hinder classroom learning and exam performance.

  • Reduced neurocognitive performance: Cannabis may impair problem-solving and critical thinking.

  • Lower impulse control: This can contribute to procrastination and poor study habits.

Want to Learn More?

If you’re interested in further exploring the academic consequences of marijuana use during college, check out these credible resources: