Substance abuse. Workplace screening a good idea that requires much preparation.
D000437:Alcoholism / Q000191:economics / Q000517:prevention & control*; D004651:Employment; D006801:Humans; D008403:Mass Screening / Q000592:standards*; D019966:Substance-Related Disorders / Q000191:economics / Q000517:prevention & control*; D014481:United States