A red stripe on a test strip indicates that a heroin sample is positive for fentanyl. In the face of relentless increases in overdose deaths that involve fentanyl, the strips have become an important ...

At Cleveland's Urban Kutz Barbershop, customers can flip through magazines as they wait, or help themselves to drug screening tests left out in a box on a table with a somber message: "Your drugs ...

The US is still in an overdose crisis, driven by fentanyl, a synthetic opioid cropping up in other drugs. Fentanyl test strips can prevent overdoses by detecting fentanyl in drugs. In 10 states, these ...