Featuring articles on nivolumab in advanced Hodgkin’s lymphoma, kidney transplantation from donors with HIV, a modular communicative leadless pacing–defibrillator system, stereotactic body radiotherapy in prostate cancer, and on how DNA sensing drives inflammation; a review article on cryoglobulinemia; a case report of a woman with dyspnea, dysphagia, and dysarthria; and a Special Report and Perspectives on the U.S. elections and health policy.