substance-abuse

substance abuse

noun
long-term, pathological use of alcohol or drugs, characterized by daily intoxication, inability to reduce consumption, and impairment in social or occupational functioning; broadly, alcohol or drug addiction.
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American Heritage
Medical Dictionary

substance abuse n.
Excessive use of a potentially addictive substance, especially one that may modify body functions, such as alcohol and drugs. Also called chemical abuse.


substance abuser n.
The American Heritage® Stedman's Medical Dictionary
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