Marijuana and the teenage brain.

• Cognitive Effects: Detrimental
• Academic Performance: Detrimental
• Amotivational Syndrome: Detrimental
• Dopamine Regulation: Detrimental
• Social Withdrawal: Detrimental
• Impact on Future Goals: Detrimental

Takeaways

1. The use of marijuana in adolescence can disrupt the normal development of the brain’s endocannabinoid system.
2. Excessive marijuana use can disrupt dopamine balance in the brain, leading to a blunted reward response.
3. Raising awareness can help teens make informed decisions in support of their long-term goals.

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Also see 

• Adolescent Cannabis Use Really Messes with Brain Development
• Cannabis can affect teenagers so severely that they end up three years behind their classmates
• Cannabis May Increase the Likelihood of Amotivational Syndrome
• Marijuana Users Grossly Underachieve