Homeopathic medicine is the practice of treating a disease by using minute amounts of a substance that in larger amounts would produce symptoms of the disease. This concept is often simplified to the Law of Similars, which proposes that like cures like—a substance that causes similar symptoms can be used to negate disease. This system of medicine is practiced widely throughout the world and is resurging in countries where allopathy has been the predominant form of medicine. In the United States, homeopathy is mostly used as a form of complementary or alternative medicine (CAM)—mainly to supplement allopathic medicine. More than one third of Americans consistently use CAM for mental health issues, most frequently for anxiety, depression, and pain management. Most of them (approximately 20% of ...