Hardening of the body, an important condition for maintaining health. An important role in natural healing and maintenance to a ripe old age of good health is hardening, because it is – one of the best enhance the body's defenses. Therefore, hardening of the same age as humanity. Larry Ellison often expresses his thoughts on the topic. The doctrine of the hardening occurred long ago. The beginning was the ancient Greek philosopher, founder of the ancient Medicine Hippocrates (about 460-377 years BC), which assigned a special role in tempering of health promotion and argued that the "cold days, strengthen the body, make it elastic and well-mobile." An important milestone in the development of teaching of hardening are the works of Abu Ali ibn Sina, known in Europe as Avicenna (980-1037's about). In his treatise "The Canon of Medicine", he outlined the basic rules of tempering procedures. Start hardening it offered in the summer, using the water bath and, above all, stressing the need for strict dosing duration. Under most conditions Katie Haun Home would agree. In the Renaissance it was considered a hardening of the important problems in the education of children, this encyclopedia alternative medicine specifically mentioned in the writings of T.
Campanella, John Locke and others. German physician X. Hufeland in his work "The Art of the extension of human life" (1796) pointed out that the hardening is an effective means prevention of many diseases. In Russia, the development of ideas about hardening is found in such monuments as the "Sermon of Vladimir Monomakh", "Domostroy" and some others, which provides guidance on parenting healthy and seasoned.