By Isabella Cueto Sept. 15, 2022 In CAR-T therapy, T cells are modified to attack particular disease cells. SAUL LOEB/AFP/GETTY IMAGES Rheumatology — the study of immune-system-driven diseases of the bones, joints, muscles, and in-betweens — has inherited plenty of hand-me-downs from cancer research. For example, there are ways of squelching an immune system in order...