Intranasal Psychedelic for Treatment-Resistant Depression, AI-Enabled Prior Authorization in Medicare, Pacing Approach for AV Block With Preserved LV Function, and more

Editor's Summary by Preeti Malani, MD, MSJ, and Christopher C. Muth, MD, Deputy Editors of JAMA, the Journal of the American Medical Association, for articles published from October 24-30, 2026.