Am J Prev Med. 2026 Jul 30:108537. doi: 10.1016/j.amepre.2026.108537. Online ahead of print. ABSTRACT INTRODUCTION: A 2019 Medicare opioid safety policy limited initial opioid duration to 7 days and long-term daily dosage to 90 morphine milligram equivalence (MME). Because effective pain management may vary by rurality, this study examined whether the policy differentially affected opioid […]