I. Do you have a substance abuse problem?
II. Rates and expenses incurred
- 15.3 million people in US have alcohol abuse problems
- 5.2 million have drug abuse problems
- 25% of population has at least a history of substance
abuse
- 1995: $177 billion spent on substance abuse
- 100,000 deaths/year associated with alcohol abuse
- cigarette smoking causes death in at least 400,00
people/year
- 1995: over 17,000 people killed in alcohol related traffic accidents in the US
- major cause of death among teenagers in US = drunk driving
- DWI arrest rates highest among 18-29 y.o.
- more than half of drunk drivers killed are under
30 y.o.
- if you are convicted of DWI you will pay a fine, lose your license, and possibly go to jail
- legal BAC level is < .10 and .05 - .09 for DWAI
- slightly lower penalties for DWAI
- Zero tolerance law - drivers under 21 with any alc in blood pay $125 and 6mo lic susp
- proposal in NYC - impound car if suspected of DWI
- DWI vehicular homicide = felony
III. Substances
1. Types:
alcohol, amphetamines (speed, diet pills), caffeine, cannabis (marijuana), cocaine (also crack), hallucinogens
(LSD, mescaline, Ecstasy), inhalants (glue, paint, gasoline), nicotine, opiods (morphine, heroin, codeine), phencyclidine (PCP),
sedatives/hypnotics/anxiolytics (barbiturates, Quaaludes, Valium)
(slide: Drugs and their effects)
2. Estimates of rates of use
VI. Substance Dependence
Symptoms (3 or more)
- tolerance
- withdrawal
- substance taken in larger
amounts or over longer time than intended
- persistent desire or unsuccessful
efforts to cut down or control use
- great deal of time spent
in obtaining, using, or recovering from the substance
- important activities are
given up
- use is continued despite
knowledge of problem that is exacerbated by substance
V. Substance Abuse
Symptoms (one or more)
- recurrent use resulting
in failure to fulfill major role obligations
- recurrent use in situations
in which it is physically hazardous
- recurrent substance-related
legal problems
- continued use despite persistent
or recurrent social or interpersonal problems caused by effects of substance
VI. Models of substance abuse
1. Personality based models
- moral model
- "addictive personality"
- anitsocial/impulse control
problems
2. Disease models
- stage theory
- biological/genetic causes
3. Psychological models
- learning model
- cognitive model
- social learning
4. Relation between substance problems and other
mental disorders
5. Other models
- culture
- diathesis-stress
- multiple risk factors
VII. Risk factors for use and possibly abuse/dependence
1. lower SES
2. family disruption and low bonding with family
3. availability of drugs
4. family alcohol and drug use
5. poor and inconsistent family management
6. peer rejection in early grades
7. associating with substance-using peers
8. early and persistent problem behaviors
9. academic failure
10. low degree of commitment to school
11. alienation and rebelliousness
12. anxiety
13. depression and low self-esteem
14. antisocial personality, impulsivity
15. physical or sexual abuse
16. stressful life events
17. positive expectations about substances
18. genetics
VIII. Course of disorder
Depends on substance, but in general...
1. may be a chronic, progressive,
degenerative disease with tragic severe, outcomes
2. experimentation does not
lead to lifelong addiction or adverse consequences
3. people who use substances
frequently are typically multiple substance users
4. most adult substance abusers
began abuse in adolescence
5. most adolescents who try
drugs do not progress to severe abuse
6. some people show remission,
especially late in life
7. relapse is frequent
8. no good estimates of number
of people who recover
IX. Treatment
1. Prevention
2. Intervention