Chapter 14Drugs

Lesson 2Marijuana and OtherIllegal Drugs

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Teacher’s notes are available in the notes section of this presentation.

marijuanaDried leaves and flowers of the hemp plant, called cannabis sativa

The main active chemical in marijuana THC

Partial or total loss of memory amnesia

Synthetic substances related to the male sex hormones

anabolicsteroids

In this lesson, you will learn to

describe the effects of marijuana.

list the risks of marijuana.

Finding the Main Idea

For each major heading

in this lesson, write one

sentence that states the

main idea.

Major Headings in this Lesson

• What Is Marijuana?

• What Are Marijuana’s Effects?

• What Are Club Drugs?

• Date Rape Drugs

• Anabolic Steroids

• Teens and Steroid Use

What Is Marijuana?

Marijuana is commonly called pot, weed, grass.

marijuana Dried leaves and flowers of the hemp plant, called cannabis sativa

What Are Marijuana’s Effects?

THC (Tetrahydrocannabinol) alters the way the brain processes sensory information.

THC The main active chemical in marijuana

It is impossible to know what other harmful substances may be mixed in with marijuana.

What Are Marijuana’s Effects?

Short-term Effects

Reduced reaction time

Reduced coordination

Impaired judgment

Increased heart rate

Increased appetite

Anxiety

Panic attacks

What Are Marijuana’s Effects?

Long-term Effects

Lung diseases, including cancer

Changes to the region of the brain that processes information

Depression

Anxiety

Personality disturbances

Loss of motivation, causing the user to fall behind in school

Problems with friends and family members

What Are Marijuana’s Effects?

Safety Risks

Risk of getting arrested

Users may say or do things that could get them into trouble

Impaired reaction time and coordination make driving dangerous

Impaired judgment can lead to risky behaviors

• Drinking alcohol

• Engaging in sexual activity, leading to a risk of sexually transmitted diseases and unplanned pregnancy

What Are Marijuana’s Effects?

Frequent users can develop a

tolerance

Developing a tolerance often

leads to physical dependency

Each year more than 12,000 people seek treatment for addiction to marijuana

Citizenship

You can demonstrate good citizenship by encouraging

others to stay drug free. Find out about programs in your

school or community that educate teens on the dangers

of drug use. Identify what methods they use to reach

teens and find out how students can get involved.

What I Learned

Vocabulary What is THC?

Lesson 2 Review

What I Learned

Explain What are two long-term effects of marijuana use?

Lesson 2 Review