substance abuse
- – Use of drug interferes with ability to function
ú Fails to meet work or family obligations
- – No physiological dependence
ú Substance dependence (addiction)
- – Involves either tolerance or withdrawal
- – Tolerance
ú Greater and greater amounts of substance are needed to produce
úthe desired effect
- – Withdrawal
úPhysiological and psychological consequences when individual
údiscontinues or reduces substance use
- – Restlessness, anxiety, cramps, death