Participants are screened with a physical exam, medical history, laboratory tests, and ECG.Healthy volunteers between 18 and 65 years of age. To see how the body handles chemicals that may produce positive screening tests and how additional testing can eliminate positive drug tests from over-the-counter drugs and food. This study may help improve the effectiveness and accuracy of drug tests. Blood, saliva, and urine samples will be collected. Researchers are studying how the body handles chemicals that may test like illegal drugs and for how long they may be detected in the body. This might look like someone used illegal drugs (such as methamphetamines or opiates) when they did not. Some legal over-the-counter drugs (such as Vicks VapoInhaler ) and some foods (such as poppy seeds) may cause a positive screening drug test. Why Should I Register and Submit Results?.
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