Calcific aortic stenosis affects approximately 12% of people >75 years in the US and worldwide leads to more than 100 000 deaths each year. Catherine M. Otto, MD, PhD, of the University of Washington School of Medicine, Seattle, discusses the symptoms, diagnosis, and treatment of aortic...

CAR T cells are genetically engineered to express a receptor that recognizes and kills tumor cells. CAR T-cell products are now FDA approved for 6 hematologic malignancies. Author Jennifer N. Brudno, MD, National Cancer Institute, joins JAMA Deputy Editor Mary McGrae McDermott, MD, to discuss...