Complementary and Alternative Medicine Use Among Adults: United States, 2002

May 27, 2004 Complementary and Alternative Medicine Use Among Adults: United States, 2002 Complementary and alternative medicine (CAM) is a group of diverse medical and health care systems, therapies, and products that are not presently considered to be part of conventional medicine. The U.S. public's use of CAM increased substantially during the 1990s. This high rate of use translates into large out-of-pocket expenditures on CAM. It has been estimated that the U.S. public spent between $36 billion and $47 billion on CAM therapies in 1997. Of this amount, between $12.2 billion and $19.6 . . .