Adolescence is a time for growth, exploration, and taking risks. Some risks can coincide with identity development and independence (i.e., running for student council). However, other risk-taking behaviors, such as using marijuana and other substances, can have adverse effects on a teenager’s health and well-being.
Marijuana is the most commonly used federally illegal drug in the United States. According to the Centers for Disease Control and Prevention:
Some teenagers who use marijuana will develop marijuana use disorder, meaning they’re unable to stop using marijuana even though it causes health and social problems in their lives. People with marijuana use disorder may also face a higher risk of other negative consequences, such as problems with attention, memory, and learning. For people who use cannabis, the likelihood of developing an addiction is approximately 10%.
Approximately 3 in 10 people who use marijuana have marijuana use disorder. For people who start using marijuana before the age of 18, the risk of developing marijuana use disorder is even greater.
.7%
.3%
As marijuana becomes more mainstream than ever before, access to both recreational and medical-grade marijuana is becoming easier each day. As it has quickly become the most commonly used drug in younger generations, it’s essential for parents, families, and teachers to recognize the main signs of marijuana use in teens:
• Smelling like marijuana
• Red or bloodshot eyes
• Delayed reaction times
• Mood swings, irritability, or defensiveness
• Laziness and tiredness
• Paranoia or anxiousness
• Increased hunger
Using marijuana directly affects the brain, especially the parts responsible for learning, memory, attention, emotion, and reaction time. Children and teenagers are especially susceptible to the effects of marijuana.

Talking to your child about marijuana use can stir up strong emotional reactions, but starting the conversation is an essential step toward prevention. In particular, parents can avoid and reduce marijuana use by:
The best prevention of youth substance abuse starts with parental conversations. Learn how to raise awareness, educate your children, and prevent the dangers of substance abuse with these resources.