Cannabis and the Developing Brain: What Youth and Families Should Know

Cannabis laws are changing across the country, but one thing remains clear: cannabis affects the developing brain differently than the adult brain.

For teens and young adults, understanding how cannabis impacts memory, attention, and decision-making is essential for making informed choices.

https://www.youtube.com/watch?v=uZxKrL8SEV0

Why Brain Development Matters

The brain continues developing into a person’s mid-twenties. During adolescence, areas responsible for planning, impulse control, learning, and emotional regulation are still forming.

Because of this, substances like cannabis can interfere with important developmental processes.

THC—the primary psychoactive ingredient in cannabis—affects the brain systems that regulate:

• Memory

• Attention

• Motivation

• Emotional responses

• Decision-making

  
  

These functions play a major role in academic success, relationships, and long-term health outcomes.

Short-Term Effects of Cannabis on Youth

Young people who use cannabis may experience:

• Difficulty concentrating

• Slower reaction time

• Challenges with memory retention

• Reduced motivation

• Impaired judgment

  
  

These effects can influence school performance, athletics, and everyday responsibilities.

Long-Term Considerations

Research shows early cannabis use is associated with changes in brain development and thinking skills over time. Some youth who begin using cannabis earlier are also more likely to experience difficulty with learning and attention later.

Because the adolescent brain is still forming, delaying use significantly reduces risk.

Why Prevention Conversations Matter

Today’s cannabis products are often stronger than in previous generations. This increases the importance of early education and open conversations between youth and trusted adults.

Parents, educators, and community leaders play an important role by:

• Sharing accurate information

• Encouraging healthy decision-making

• Creating supportive environments

• Helping youth understand long-term impacts

  
  

Supporting Healthy Futures

At Berlin Prevention Works, we believe prevention begins with knowledge. When young people understand how substances affect their developing brains, they are better equipped to make choices that support their goals and wellbeing.

Watch the video above and share it with a young person in your life to help start the conversation.