Tandem mass spectrometry–especially in combination with liquid chromatography (LC–
MS/MS)–is applied in a multitude of important diagnostic niches of laboratory medicine. It is …

Electronic cigarettes (e-cigarettes) are battery-operated devices to insufflate nicotine or other
psychoactive e-liquid aerosols. Despite initial claims of e-cigarettes as a nicotine-cessation …

Urinalysis enables non-invasive point-of-care (POC) testing of numerous biomarkers at their
physiological and elevated levels, obviating the need for sophisticated equipment or trained …

Over the past decade, the legal landscape of marijuana has changed dramatically in both
the United States and Canada. At the time of publication, all but 4 states in the United States …

In the last years, a global awareness has arisen from the reported harmful effects and public
health risks associated with the consumption of new psychoactive substances (NPSs) …

Abstract Coronavirus Disease 2019 (COVID-19) is escalating all over the world and has
higher morbidities and mortalities in certain vulnerable populations. People Who Use Drugs …

OBJECTIVE: To compare and evaluate the accuracy of three screening tools in identifying
illicit drug use and prescription drug misuse among a diverse sample of pregnant women …

The change in legal status of cannabis (the botanical species Cannabis sativa, commonly
known as marijuana) in the United States has had significant impact on pediatric drug …

Abstract Introduction Vancouver, Canada is experiencing an opioid overdose crisis where
fentanyl, a potent, synthetic opioid contaminating the illicit drug supply, has been detected in …

Methadone has several unique characteristics that make it an attractive option for pain relief
in serious illness, but the safety of methadone has been called into question after reports of …