POY Teen Handbook - English

THE EFFECTS OF ALCOHOL & MARIJUANA ON THE BODY

It’s biology, not maturity.

Underage alcohol and marijuana use leaves damaging, lifelong effects on the brain and body. Your organs are growing and changing every minute. The brain is not fully developed until the mid-20s, meaning any substance could negatively impact your development. Your prefrontal cortex—the part of your brain that controls reasoning and helps you think before you act—is growing rapidly. The developing brain is not as efficient at decision making and problem solving as it will be when you’re older. Check out all the potential damage that alcohol and marijuana can inflict on the developing body.

REFLECT: Think of two goals you would like to accomplish by the time you graduate high school. How would these negative effects on your health affect your ability to achieve those goals?

6 Power of You(th) ®

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