Source:http://linkedlifedata.com/resource/umls/id/C0740858
NCI: The use of illegal drugs or the use of prescription or over-the-counter drugs or alcohol for purposes other than those for which they are meant to be used, or in excessive amounts. Substance abuse may lead to social, physical, emotional, and job-related problems.,CCC: Excessive use of harmful bodily materials,NCI: Maladaptive pattern of drug or alcohol use that may lead to social, occupational, psychological, or physical problems.