treatment that are unconventional, or out of the ordinary, have gained so much prestige and attention that U.S. government has created an Office of Alternative Medicine. Researchers in this office study alternative forms of medicine in the United States and around the world. These include meditation, biofeedback, acupuncture, herbal medicine
, hypnotism, homeopathy, and chiropractic medicine. In biofeedback, a machine is used to measure skin temperature and other responses. By watching the machine a patient can learn to control muscle tension and blood pressure.