Final answer:
Substance abuse involves harmful use of psychoactive substances leading to addiction. Legal drugs like alcohol and illegal drugs like cocaine differ in legality and examples.
Explanation:
Substance abuse refers to the harmful or hazardous use of psychoactive substances, including legal and illegal drugs, leading to addiction or dependence. Drug addiction occurs when an individual compulsively uses a drug despite negative consequences.
- Legal drugs are substances that are legally available for purchase and consumption, such as alcohol. an example of a legal drug is alcohol.
- Illegal drugs are substances that are prohibited by law, such as cocaine. an example of an illegal drug is cocaine.
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