Drug testing is most commonly performed using urine samples. The methodology and regulations for reliable urine testing are well developed and can be considered the current gold standard for drug testing. However, one problem with urine testing is related to the methodology of sample collection, often perceived as inconvenient and privacy-overriding by those undergoing the test with samples easily switched. As such, a group of … Continue reading The first method of detecting drugs of abuse in exhaled breath has been validated.