Drug test Drug test A drug test is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, and/or oral fluid/saliva — to determine the presence or absence of specified parent drugs or their metabolites. Major applications of drug testing include detection of the presence of performance enhancing steroids in sport, employers and parole/probation officers screening for drugs prohibited by law (such as cannabis, cocaine, methamphetamine, and heroin) and police officers testing for the presence and concentration of alcohol (ethanol) in the blood commonly referred to as BAC (blood alcohol content). BAC tests are typically administered via a
Arguments for and against drug prohibition a drug and the signal sent out and there is, therefore, no evidence base on which to draw in making these policy decisions." John Donnelly, writing for the Boston Globe on the presidential race of 2000, suggested that the candidates' silence on drug policy may stem from a widely shared belief that any position even hinting at reducing penalties for drug use would be political suicide. Charles R. Schuster, director of the National Institute on Drug Abuse under Presidents Reagan and Bush (Snr.), was reported as saying in 1997, "Talking sense about drug policy in today's climate of opinion can