Substance abuse is the harmful use of psychoactive substances, including alcohol and illicit drugs. Legal drugs are sanctioned by law, while illegal drugs are prohibited substances.
Substance abuse refers to the harmful or hazardous use of psychoactive substances, including alcohol and illicit drugs, leading to dependence or addiction.
Legal drugs are sanctioned by law for specific purposes like medical treatment or recreation, such as alcohol. In contrast, illegal drugs are substances prohibited by law, like heroin.
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