A modern drug cocktail linked to the death of popstar Liam Payne is prompting concern from health officials as it spreads around Europe. The former One Direction star had reportedly taken the mixture ...

The U.S. has named a veterinary tranquilizer as an “emerging threat” when it’s mixed with the powerful opioid fentanyl, clearing the way for more efforts to stop the spread of xylazine. The Office of ...

New surges in use of methamphetamine and cocaine mixed with a powerful synthetic opioid are contributing to rising drug overdose death tolls in already hard-hit Ohio. As county coroners have begun ...