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Lesson 8: Marijuana: Get the Facts


This lesson covers the negative effects of marijuana use. After brainstorming what they know or have heard about marijuana, students work in small groups to read about marijuana and then use what they’ve learned to respond to a sample situation and counter myths about marijuana. They review actual norms around teens’ use of marijuana, then discuss and personalize the negative consequences of marijuana use and the benefits of remaining marijuana free.

Note: If time is limited, the assessment activity sheet may be completed as homework.

Lesson Objectives

Students will be able to:

  1. Summarize the harmful short- and long-term physical, psychological and social effects of marijuana use.
  2. Analyze the benefits of remaining marijuana free.

Time: 60 - 90 minutes

Healthy Behavior Outcomes

  • AOD-4: Avoid the use of illegal drugs.
  • AOD-8: Support others to be alcohol and other drug free.

National Health Education Standards

  • Standard 1: Comprehending Concepts
  • Performance Indicator 1.12.1: Predict how healthy behaviors can affect health status.
  • Performance Indicator 1.12.8: Analyze personal susceptibility to injury, illness, or death if engaging in unhealthy behaviors.
  • Performance Indicator 1.12.9: Analyze the potential severity of injury or illness if engaging in unhealthy behaviors
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