TUESDAY, April 25, 2023 (HealthDay News) -- In the United States, the monthly buprenorphine initiation rate increased from January 2016 through September 2018, then flattened through October 2022, according to a research letter published in the April 25 issue of the Journal of the American Medical Association. Kao-Ping Chua, M.D., Ph.D., from the University of