1 page essay (single space)
© 2011 McGraw-Hill Higher Education. All rights reserved.
Chapter 2
Drug Use as a Social Problem
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Costs of Drug Use to Society
- Deaths
- Emergency room visits
- Drugs in the workplace and lost productivity
- Broken homes, illnesses, shorter lives, etc.
- Cost of maintaining habit
- Cost of criminal behavior
- Cost of treating patients
- Fetal alcohol syndrome
- Others?
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Changing Attitudes
- What made the government change from the laissez-faire attitude of the 1800s to one of control?
- Toxicity
- Dependence
- Crime
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Toxicity
Toxic = poisonous, deadly, or dangerous
- What makes a drug toxic?
- Amount used
- How it is used
- What the user did while on the drug
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Drug-Related Toxicity
Examples of acute toxicity
- Behavioral: “Intoxication” that impairs the actions of drug users and increases the danger to themselves and others
- Physiological: Overdose that causes the user to stop breathing
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Drug-Related Toxicity
Examples of chronic toxicity
- Behavioral
- Personality and lifestyle changes
- Effects on relationships with friends and family
- Physiological
- Heart disease
- Lung cancer
- Cirrhosis
- Other health effects
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Blood-Borne Diseases
- Specific toxicity for users who inject drugs
- AIDS, HIV infection, and hepatitis B and C
- Sharing needles passes infectious agents directly into the bloodstream
- Some states, cities prohibit
needle purchase without Rx
- Syringe exchange programs
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Substance Dependence
- Three basic processes
- Tolerance
- Physical dependence
- Psychological dependence
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Tolerance
- Diminished effect on the body after repeated use of the same drug
- The body develops ways to compensate for the chemical imbalance caused by the drug
- Regular drug users may build up tolerance to the extent that their dosage would kill a novice user
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Physical Dependence
- Physical dependence is defined by the occurrence of a withdrawal syndrome
- Tolerance typically precedes physical dependence
- If drug use is stopped suddenly, withdrawal symptoms occur, ranging from mild to severe
- Physical dependence means the body has adapted to the drug’s presence
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Psychological Dependence
- Psychological or behavioral dependence
- High frequency of drug use
- Craving for the drug
- Tendency to relapse after stopping use
- Behavior is reinforced by the consequences
- Over time, this becomes the biggest reason users report they continue to use
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Changing Views of Dependence
- Early medical model = true addiction involves physical dependence; key is treatment of withdrawal symptoms
- Positive reinforcement model = drugs can reinforce behavior without physical dependence
- Psychological dependence is increasingly viewed as the driving force behind repeated drug use
- This refutes the sometimes common belief that drugs that aren’t as strongly physically addicting are less dangerous
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© 2011 McGraw-Hill Higher Education. All rights reserved.
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Is Dependence
Caused by the Substance?
- Some drugs are more likely than others to lead to dependence
- Method of use, as well as other factors, influences risk of dependence
- The “war on drugs” reflects the perspective that drugs are themselves evil
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Is Dependence Biological?
- Is dependence due to biochemical or physiological actions in the brain?
- Still no way to scan the brain and know if a person has/had developed dependence
- Genetic physiological or biochemical markers have been sought as well, but none has proven reliable
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Is There an “Addictive Personality”?
- No way to know if the drug or the drug use changes a person’s personality
- Many other factors affect personality
- Sensation-seeking = a personality characteristic statistically associated with early substance use and abuse
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Is Dependence a Family Disorder?
- Alcohol dependence often exists within a dysfunctional family
- Evidence suggests that dysfunctional relationships play a role in dependence, but they aren’t the only factor
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Is Substance Dependence a Disease?
- Founders of AA characterized alcohol dependence as a disease
- Others argue that dependence doesn’t have all the characteristics of a disease
- There are ways to test and treat the effects of alcoholism but not the disease itself
- There is some disagreement over how to define disease as well
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Biopsychosocial Perspective
- Dependence is related to dysfunctions of:
- Biology
- Personality
- Social interactions
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© 2011 McGraw-Hill Higher Education. All rights reserved.
Drugs and Crime
- Drug use may change a person’s personality
- People under the influence may commit crimes (e.g., many cases of homicide, domestic violence, etc.)
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Drugs and Crime
- Crimes may be carried out to obtain money for drugs
- Drug use is a crime
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Why We Regulate Drugs
- We want to protect society from the dangers of some types of drug use = legitimate social purpose
- Some laws are not developed as part of a rationally devised plan and may not be realistic or effective
- Current laws
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