1. Understand the possible biological origins of drug addiction.
2. Explain why longitudinal research on personality traits and drug use is important.
3. Outline the aspects of the social environment that may influence drug use.
- What are risk factors and protective factors?
- What are the early signs of risk that may predict later drug abuse?
- What are the highest risk periods for drug abuse among youth?
- When and how does drug abuse start and progress?