Complementary and alternative medicine (CAM) is commonly used in America for purposes of healthcare and well- being. A survey carried out in 2007 shows that around 38% of Americans use CAM. The field of CAM changes constantly. It can be vaguely defined as health care and medical systems, products, and practices that greatly differ from the traditional Western approach. The Western approach, also known as conventional or allopathic medicine, is commonly practiced by those who hold MD and DO. It is also practiced by other health care providers like psychologists, registered nurses and ...