NEJM This Week — January 22, 2026

In this episode, we explore evolving evidence on anticoagulation after atrial fibrillation ablation, long-term outcomes with immunotherapy for melanoma, and promising new treatments for hepatitis D and triple-negative breast cancer. We review advances in physiologic pacing for heart failure and work through a challenging case involving fever, rash, and neurologic symptoms. An article considers fairness for late-career physicians, and Perspectives discuss misconceptions about autism, access to contraception, and the financial pressures shaping health care.