(Abstracted from JAMA Oncol 2018;4:1375–1381)
Complementary medicine (CM) refers to integration of unproven nonmedical methods with conventional therapies, whereas alternative medicine is use of unproven methods instead of conventional therapy. In the United States, complementary and alternative medicine is a multibillion-dollar industry.
Department of Therapeutic Radiology (S.B.J., H.S.P., J.B.Y.) and Cancer Outcomes, Public Policy, and Effectiveness Research Center (C.P.G., J.B.Y.), Yale School of Medicine, New Haven, CT