The document discusses drug testing in the workplace. It provides background on the rise of drug testing programs in American firms since the 1980s as a way to detect and address substance abuse issues. It then covers various aspects of drug testing including definitions of drugs, trends in drug testing, the perceived pros and cons of workplace drug testing programs, specifics of drug testing methods and what can be tested, factors that can impact drug test results, and common drug detection periods. It also briefly outlines drug testing practices by different industries.