As the push for marijuana legalization continues to grow in many countries, the consequences on youth are becoming apparent. When Canada legalized marijuana, the goal was to regulate adult use, limit youth access, and reduce the harms associated with an unregulated market. But a recent study published in Jama Network Open reveals the growing appeal of marijuana edibles and extracts, which range from chocolates to candies, among adolescents, potentially opening the door to increased youth use.

The study compared Canadian provinces that legalized marijuana edibles with Quebec, where edibles were banned. The findings revealed that:

  • Marijuana use increased by 26% among adolescents in the provinces where marijuana was legalized, while Quebec saw a decline.
  • Edible use surged by 43%.
  • Marijuana smoking rose by 34%.
  • Co-use of marijuana and alcohol jumped by 28%.
  • Perception of harm decreased among teens in provinces with legalized marijuana. These teens were significantly less likely to view occasional cannabis use as risky.

It is likely that the packaging and marketing of marijuana, which is presented in ways that mirror popular snacks, sends a confusing message: this is harmless fun. But for teens, it is far from that. Adolescents are at a uniquely vulnerable stage of development. Marijuana use during these years has been linked to increased risk of mental health issues, cognitive impairment, and lower educational outcomes. Unlike smoking, edibles can take longer to kick in, which may lead to accidental overdose. Vaping can deliver higher concentrations of THC and can sometimes be contaminated with unintended substances, increasing the likelihood of dependency and respiratory harm.

This study provides valuable insights into the potential outcomes if similar policies were enacted in other regions. These findings call for a halt to marijuana legalization and the immediate creation of educational campaigns tailored to adolescents that can build awareness about the risks associated with marijuana consumption, including cognitive and mental health impacts of use.

For resources related to marijuana, check out dfaf.org/education.

Source

Mital, S., Nguyen, H.V. Legalizing Youth-Friendly Cannabis Edibles and Extracts and Adolescent Cannabis Use. JAMA Netw Open. 2025;8(4):e255819. doi:10.1001/jamanetworkopen.2025.5819