As Drug Overdoses Soar, More Providers Embrace Harm Reduction AAMC News - February 15, 2022 Brianna Norton, D.O., M.P.H., talks about the need to provide healthcare to people who inject drugs, including those who use one of the city's first overdose prevention centers. Dr. Norton is associate professor of medicine at Einstein and an internist and infectious disease specialist at Montefiore.