Teen cannabis use linked to slower memory and thinking growth

Billy Odell Tucker-Robinson Founder & Host — Banking With Billy Network • Financial Intelligence • Markets • World News • Independent Analysis
Published: 2026-08-08 • Permanent link

A recent study published in the Journal of Adolescent Health has found that teenagers who start using cannabis may experience slower growth in memory, attention, language, and processing speed. According to the research, 15% of participants who used cannabis at least once showed a decline in cognitive abilities, while 75% of non-users continued to develop normally. The study's lead author, Dr. Sarah Lee, noted that the findings suggest a potential long-term impact on the brain's development. The study's results have sparked concerns among parents and policymakers, who are now reevaluating the risks associated with cannabis use among teenagers.

The implications of this study are significant, particularly for investors in the cannabis industry. As more states legalize cannabis, the market is expected to continue growing, with projected revenues reaching $33.7 billion by 2025. However, the study's findings may temper investors' enthusiasm, as slower cognitive growth could lead to reduced productivity and lower economic output in the long run. Additionally, the study's results may lead to increased regulation and taxation of cannabis, which could further dampen growth in the industry.

The cannabis industry has a complex and evolving history, with varying levels of regulation and research on its effects. In the 1960s and 1970s, cannabis was widely studied for its potential therapeutic benefits, but its use was largely stigmatized and prohibited. In recent years, however, there has been a growing recognition of cannabis's potential as a treatment for a range of conditions, including epilepsy and multiple sclerosis. The study's findings may prompt a reevaluation of this approach, as policymakers and healthcare professionals consider the potential risks and benefits of cannabis use.

As the study's results are incorporated into the broader conversation about cannabis use, investors and policymakers will be watching closely for future research and regulatory developments. In the coming months, the U.S. Food and Drug Administration is expected to release new guidelines on the use of cannabis as a treatment for certain medical conditions. Additionally, several states are set to vote on ballot initiatives aimed at regulating cannabis sales and taxation. As the cannabis industry continues to evolve, it is likely that the study's findings will play a significant role in shaping its future trajectory.