Complementary and alternative medicine is an umbrella term for complementary medicine and alternative medicine. The term also incorporates integrative medicine. Typical examples of CAM approaches are herbalism, meditation, chiropractic, yoga, body work and diet-based therapies. Definitions of CAM vary with culture and time and can change with scientific evidence. CAM therapies have been criticized by scientific researchers. According to the Institute of Medicine , "A lack of consistency in the...