Drug abuse is best defined as a. the consumption of legal drugs b. the consumption of illegal drugs c. the nonmedical or improper use of a drug that can interfere with a healthy life d. using drugs on an occasional basis until mood is altered

Hello!

The answer should be the third option C.

Drug abuse is best defined as; "the nonmedical or improper use of a drug that can interfere with a healthy life".  

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-Charlie

I believe the answer is C as that is the definition. Even if it was a subscription, the constant use of it without stopping can interfeer with a haelthy life.

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