investigations February 8, 2023 7:18 pm Health Officials Warn About the Dangers of Xylazine State and federal health officials are warning about the growing threat of an animal tranquilizer being added to opioids, causing serious skin reactions and some fatal overdoses. US & World Videos 1:02 20% of nurses to leave field within 2 years 6:03 Tensions rise during campus protests at MIT and Harvard 1:05 Marking construction safety week in Boston 20:19 Karen Read's attorney accuses witness of perjury at murder trial 2:20 Steward Health Care files for bankruptcy
