This paper examines the evolution of alternative, complementary, and alternative care as well as the implication of their definition on health care approaches. In the first part I looked at how these labels shift from time to time and what the implications are for the patients, physicians, and for the health care system. In the second part, I explored the fluidity of certain modalities among different medical domains by presenting three case studies; guided imagery for cancer patients, acupuncture for people who suffer from chronic pain, and the Zamboni procedure for treating multiple sclerosis