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Cocaine, Fentanyl, Heroin Test Rates on Rise in U.S., Says San Diego Study

A study co-authored by the U.S. Department of Health & Human Services and San Diego-based Millennium Health found that drug test positivity rates for cocaine, fentanyl, heroin and methamphetamine have increased nationwide during the COVID-19 pandemic, it was announced Wednesday. The study, published in the American Medical Association’s JAMA Network publication, was based on urine […]