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Chapter 14

Drugs

Lesson 2 Marijuana and Other Illegal Drugs Click for: >> Main Menu >> Chapter 14 Assessment

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

marijuana

Dried leaves and flowers of the hemp plant, called

cannabis sativa



THC

The main active chemical in marijuana 

amnesia



anabolic steroids

Partial or total loss of memory Synthetic substances related to the male sex hormones

In this lesson, you will learn to



describe

the effects and risks of marijuana.



identify

the most commonly used club drugs.



explain

the reasons that teens abuse anabolic steroids.



list

the physical effects of anabolic steroids.

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

or

weed

.

marijuana

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

What Are Marijuana’s Effects?

THC

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

What Are Club Drugs?

Club drugs take their names from dance clubs or raves where they are often used.

Some people falsely believe that club drugs are safe to use.

What Are Club Drugs?

The harmful effects of club drugs include: Hallucinations Paranoia

Amnesia

amnesia

Partial or total loss of memory When club drugs are mixed with alcohol, the effects of both substances are increased.

Ecstasy

The scientific name for ecstasy is MDMA.

Ecstasy speeds up the central nervous system, making a person feel very alert, or “hyper.”

Ecstasy

Effects of Taking Ecstasy Increased heart rate Nausea and dizziness Anxiety Elevated blood pressure Chills Sweating Loss of appetite

Date Rape Drugs

Rohypnol, commonly called roofie, is a club drug that works by suppressing the central nervous system.

Characteristics of Rohypnol

Odorless Easily slipped into a person’s drink Colorless Has no taste The unwilling user is unaware of what is happening Causes amnesia

Date Rape Drugs

GBH is a depressant of the central nervous system.

Until 1992, GBH was available as an over-the counter drug used by bodybuilders to increase muscle mass and decrease fat.

Date Rape Drugs

Ketamine, sometimes called Special K, is an anesthetic used in medical procedures for humans and animals.

A small amount of Ketamine produces hallucinations, memory loss, and even respiratory failure.

Anabolic Steroids

Physicians sometimes prescribe

anabolic steroids

to treat growth problems, lung diseases, and skin conditions.

anabolic steroids

Synthetic substances related to the male sex hormones Steroids are most often abused by people who want to enhance their athletic abilities.

Anabolic Steroids

Major Side Effects Liver tumors Cancer Jaundice High blood pressure Kidney tumors Severe acne Trembling

Anabolic Steroids

Side Effects in Males Shrinking of the testicles Breast development Side Effects in Females Growth of facial hair Menstrual changes Deepened voice

In NIDA’s 2004

Monitoring the Future

study, 3.4% of high school seniors reported using steroids at least once.

Source: NIDA Infofacts: High School and Youth Trends.

Teens and Steroid Use

Steroid use can have a negative effect on your appearance.

Steroid use can cause a person to become angry or violent.

Steroid use can cause a hormonal imbalance, which can interfere with the normal development of teens.

What I Learned

Vocabulary

What is

THC

?

Lesson 2 Review

Lesson 2 Review

What I Learned

Recall

What are health risks associated with using anabolic steroids?

Lesson 2 Review

What I Learned

Explain

use?

What are two long-term effects of marijuana

Lesson 2 Review

Thinking Critically

Analyze

Why do you think steroid abuse is a concern in competitive sports?

Lesson 2 Review

Thinking Critically

Hypothesize

What might happen to a person who unknowingly ingests Rohypnol while at a club?

End of

Chapter 14

Drugs

Lesson 2 Marijuana and Other Illegal Drugs Click for: >> Main Menu >> Chapter 14 Assessment