In homeopathy, it is believed that physical and psychological disturbances arise from the life force or the vital energy centers of the body. Homeopathic remedies have been prepared from biological and mineral sources for more than two hundred years and have been verified experimentally and clinically as a natural medical science. The remedies are prepared from natural substances to precise standards and work by stimulating the bodies own healing power. Because they are of a vibrational nature, meaning they contain no detectable active substances, these medicines are absolutely free of any toxic matter. The remedies are therefore are entirely safe and devoid of side effects, so much so that they are commonly prescribed for babies and pregnant women. They offer long lasting to permanent cure, treating the disease from its root for most of the ailments they treat.