Medicine: Drug Detector

One of the big problems plaguing law-enforcement officers dealing with narcotics addicts is how to determine quickly and conclusively whether a suspect is or is not on drugs. Most seasoned addicts are expert at concealing needle marks (sometimes with tattoos). Although addicts show withdrawal symptoms (goose flesh, yawning, nausea, vomiting) when they are cut off from drugs for one to two days, in many cases there are no legal grounds for holding suspects until the symptoms appear. The solution, California's Bureau of Narcotic Enforcement believes, lies in a narcotic antagonist called N-allylnormor-phine, known...

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