Tobacco and cannabis

Cannabis and tobacco are among the most used substances by young people in the United States, and research shows these behaviors are often interconnected. As cannabis policies evolve across the country, it is important for young people and adults to understand the potential risks of these substances as well as the realities of use. Early cannabis use has been linked to negative impacts on brain development and the risk of dependence. Prevention and education efforts can help young people better understand how cannabis can affect their health and well-being. 

• More than 1 in 3 teens have tried cannabis by 12th grade. 
• Among youth ages 12-17, co-use of cannabis and tobacco is more common than using either substance alone. 
• Youth cannabis use can negatively impact brain development. 
• Nearly 1 in 10 adults who use cannabis will develop a dependence during their lifetime. 
• 24 states and Washington, D.C. have legalized cannabis for adult recreational use.  
• 40 states and Washington, D.C. have legalized medical cannabis.