by Diana Yates, University of Illinois at Urbana-Champaign Crystal methamphetamine. Credit: public domain The U.S. methamphetamine mortality rate increased fiftyfold between 1999 and 2021, with most of the added deaths also involving heroin or fentanyl, researchers report in the American Journal of Public Health. “We looked at trends from 1999 to 2021 and we saw this...
