8. Marijuana use is associated with less academic success.
Research reported by NIDA shows that youth who use marijuana, particularly regularly, have poorer educational outcomes than non-users, including lower graduation rates. In addition, heavy marijuana users are more likely than non-users to report less academic and career success. These findings support the previously reported relationship between marijuana use and reduced memory and learning, especially if marijuana is used daily where it could have a continual negative impact on intellectual ability. Link: (How Does Marijuana Use Affect School Work and Social Life)