Homeopathy (from the Greek homeo ... and pathos-suffering) - treatment system is negligible, often take medication doses that cause at high doses in healthy individuals phenomena similar to symptoms of the disease itself. Homeopathy was developed by the German doctor S. Hahnemann in the early 19th century. Hahnemann considered it necessary to act on the individual manifestations of the disease, as the disease is regarded as a disorder of the spiritual life force, is not amenable to treatment modality. The basis of homeopathy on the principle of treating like with like (similia similibus curantur), so as to establish what ill effects causes a particular drug substance (pathogenesis drugs by Hahnemann), you must enter it into a toxic dose of a healthy person, but it is known that the effect of many drugs on the sick organism other than healthy. Modern scientific medicine is based on the principle of causal pathogenetic treatment, that is, tends to influence than individual symptoms and the causes and mechanism of the disease. Action of drugs on the sick body is the subject of clinical pharmacology that studies the effect of treatment, rather than toxic doses. Another provision of homeopathy, Hahnemann put forward, was that the potency of the drug increases with decreasing the dose (potentiation), which reaches more divorced for so-called tsentizmalnoy scale, each subsequent dilution 100 times reduces the content of the original substance. Hahnemann reached 30-20 th dilution containing detsillionnuyu of the drug. Homeopathy has passed the thorny path of development. Many practicing homeopaths essentially