The Use and Abuse of Psychoactive Drugs

Chapter 7

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Psychoactive Drugs

A drug which alters a person ’ s experiences or consciousness

Can cause intoxication

A state in which sometimes unpredictable physical and emotional changes occur

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What Is Addiction?

Addiction traditionally used only when the habitual use of a drug produced chemical changes in the user ’ s body

Tolerance: body ’ s adaptation to drug

Concept of addiction as a disease process, based in brain chemistry rather than moral failing, led to many advances

Addictive behaviors are habits that have gotten out of control, resulting in negative effects on a person ’ s health

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Characteristics of Addictive

Behavior

Reinforcement

Compulsion or Craving

Loss of Control

Escalation

Negative Consequences

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Addictive Behavior

The development of addiction

Often starts when person does something to bring pleasure or to avoid pain

Characteristics of people with addictions

Difficulty dealing with stress and painful emotions

Risk-takers, impulse control problems

Examples of addictive behaviors:

Compulsive gambling

Compulsive exercising

Work addiction

Sex and love addiction

Compulsive buying or shopping

Internet addiction

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Drug Use, Abuse, and Dependence

Drugs are chemicals other than food that are intended to affect the structure or function of the body

Prescription medicines

Over-the-counter substances

Caffeine

Tobacco

Alcohol

Illegal substances

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Drug Abuse

The APA ’ s Diagnostics and Statistical Manual of

Mental Disorders – authoritative reference

Abuse: APA definition

Recurrent drug use, resulting in failure to fulfill major responsibilities

Drug use in situations that are physically hazardous

Drug-related legal problems

Drug use despite persistent social or interpersonal problems

Physical dependency may or may not present

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Drug Dependence

Substance dependence

1. Developing tolerance to the substance

2. Experiencing withdrawal

3. Taking in larger amounts

4. Expressing a persistent desire to cut down

5. Spending great deal of time getting, using, or recovering from the substance

6. Giving up or reducing important activities

7. Continual usage despite the knowledge of a problem

Diagnosis with at least 3 or more symptoms during a 12-month period

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Who Uses Drugs?

Drug Users

All income and education levels

All ethnic groups

All ages

People more likely to try drugs

Young people are at a higher risk

Males (Twice as likely)

Troubled adolescents

Thrill-seekers

Members of dysfunctional families

Members of peer groups that accept drug use

People who live in disadvantaged areas

Teen girls who date older boys

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Why Do People Use Drugs?

Experiment

Escape

Coping

Reliance

Social surroundings

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Risk Factors for Dependence

Psychological risks

Difficulty in controlling impulses

Strong need for excitement, stimulation, automatic gratification

Feelings of rejection

Hostility

Aggression

Anxiety

Depression

Mental illness

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Other Risks of Drug Use

Intoxication

Unexpected side effects

Unknown drug constituents

Risks associated with injection drug use

Legal consequences

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How Drugs Affect the Body

 Changes in Brain chemistry

 Drug factors:

Pharmacological properties

Dose-response function

Time-action function

Drug use history

Method of use

 User Factors

 Social Factors

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Representative Psychoactive

Drugs

Opioids (narcotics)

Natural or synthetic

Opium, morphine, heroin, methadone, codeine, hydrocodone, oxycodone, meperidine, and fentanyl

Effects

Medical Uses

Methods of administration

Injection, snorting, sniffing, or smoking

Symptoms of overdose

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Representative Psychoactive

Drugs

Central Nervous System Depressants

(Sedative Hypnotics)

Slow down the overall activity of the CNS

Types

Barbiturates ( “ downers ” )

Sedatives or tranquilizers

Effects

Medical uses

From use to abuse

Overdosing

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Central Nervous System Stimulants

Speed up the activity of the nervous or muscular system

Cocaine

Methods of use

Effects

Abuse and dependence

Use during pregnancy

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Central Nervous System Stimulants

Amphetamines ( “ uppers ” )

Effects

From use to abuse

State dependence

Dependence

Methamphetamine

Ritalin

Caffeine

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Marijuana and Other Cannabis

Products

Cannabis Sativa

THC (tetrahydrocannabinol)

Short-term effects and uses

Depersonalization

Long-term effects

Respiratory damage

Dependence

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Hallucinogens

LSD, mescaline, psilocybin, STP, DMT,

MDMA, ketamine, PCP (angel dust), and certain mushrooms

Effects

Altered states of consciousness, perceptions, feelings and thoughts

LSD effects

Synesthesia

Altered states of consciousness

Flashbacks

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Inhalants

Types

Volatile solvents

Aerosols

Nitrites

Anesthetics

Methods of use

Sniffing

Snorting

“ Bagging ”

“ Huffing ”

Effects

Nearly all inhalants produce effects similar to those of anesthetics, which slow down body functions

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Drug Use: The Decades Ahead

Drug research

Drugs, society, and families

Legalizing drugs

Drug Testing

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Treatment for Drug Dependence

Medication-assisted treatment

Drug substitution

Treatment centers

Self-help groups and peer counseling

AA

NA

Harm reduction strategies

Codependency

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Preventing Drug Abuse

Governmental attempts

Anti-drug education programs

Indirect approaches

Building young people ’ s self-esteem

Improving their academic skills

Increasing their recreational opportunities

Direct approaches

Informing them about the adverse effects of drugs

Peer pressure resistance

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Chapter 7

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