1. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 1 << BACK NEXT >> HOME Content Vocabulary drug addiction endorphins dysphoria physical addiction withdrawal psychological addiction

2. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 2 << BACK NEXT >> HOME No one who starts out using a substance for the first time intends to develop a drug addiction. drug addiction A physical or psychological need for higher and higher doses of a drug

3. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 3 << BACK NEXT >> HOME Drugs create a “high” by releasing pleasure-producing chemicals in the brain. Drugs and the Brain

4. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 4 << BACK NEXT >> HOME Drugs provide a sense of euphoria by imitating the brain’s natural way of producing pleasure. The acts of eating, being physically active, and relaxing release endorphins. Drugs and the Brain endorphins Chemicals in the brain that produce feelings of pleasure in response to a variety of activities.

5. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 5 << BACK NEXT >> HOME The lack of these chemicals produces an unpleasant feeling, known as dysphoria. Drugs and the Brain dysphoria The unpleasant feelings that occur when endorphins are lacking

6. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 6 << BACK NEXT >> HOME How Does Addiction Set In? Those who use drugs produce fewer and fewer natural endorphins. As the effects of the drug wears off each time, the user experiences dysphoria. To avoid the unpleasant sensations of dysphoria, the person may use more drugs. Drugs and the Brain

7. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 7 << BACK NEXT >> HOME How Does Addiction Set In? When people take drugs to ease dysphoria, they may become addicted to the drug. Most drugs that cause addiction are euphoria- producing drugs. Drugs and the Brain

8. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 8 << BACK NEXT >> HOME Physical addiction occurs when the body’s chemistry adjusts its functioning to the presence of a drug. Physical Addiction

9. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 9 << BACK NEXT >> HOME Physical addiction, or dependence, makes the body develop a tolerance to a certain drug. Physical Addiction physical addiction A change in the body’s chemistry so that without the presence of a substance (drug), normal functioning begins to fail.

10. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 10 << BACK NEXT >> HOME Withdrawal occurs as the body begins to clear the drug from the system. Physical Addiction withdrawal The physical symptoms that occur when an addictive drug is cleared from the body tissues

11. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 11 << BACK NEXT >> HOME Withdrawal symptoms may include: Problems with vision, muscle activity, digestion, brain function, temperature regulation, or many other processes. Withdrawal changes brain patterns, affects mood, and makes the person crave the drug. Physical Addiction

12. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 12 << BACK NEXT >> HOME The only sure way to escape drug addiction is never to experiment with the drugs that produce it. Psychological Addiction

13. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 13 << BACK NEXT >> HOME Physical addiction always triggers psychological addiction, or dependence. psychological addiction Mental dependence on a drug, habit, or behavior

14. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 14 << BACK NEXT >> HOME People who never learn to cope with emotional pain may develop a psychological addiction to drugs. Psychological addiction can be as powerful as physical addiction.

15. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 15 << BACK NEXT >> HOME The physical symptoms that occur when a drug to which a person is addicted is cleared from the body tissues are called _________. withdrawal The physical symptoms that occur when an addictive drug is cleared from the body tissues Section Review: Reviewing the Vocabulary

16. Glencoe Making Life Choices Section 3 Addiction Chapter 12 Drugs of Abuse 16 << BACK NEXT >> HOME What is mental dependence on a drug, habit, or behavior called? psychological addiction Mental dependence on a drug, habit, or behavior Section Review: Reviewing the Vocabulary

17. glencoe.com Home End of Chapter 12 Section 3