ter baths to a safe minimum. Nay, the stimulating effect of the reflux of animal warmth (assisted by friction and brisk exercise) is perhaps most noticeable in moderately cold weather; and there are scores of habitués who take plunge-baths in ice-covered rivers to enjoy the subsequent glow of health, and maintain that the practise is the most reliable of all safeguards against the risk of "taking cold." Cold baths incidentally also serve the purpose of a cosmetic. "I would undertake to identify hydropathists of the heroic school by their complexions," says Professor Carl Vogt; "and I have known octogenarians who had preserved the bloom of youth by the persistent use of ice-water."
Bathing, followed by the use of a coarse towel, stimulates the action of the skin to a degree that enables it to facilitate the work of the respiratory organs. Our pores have aptly been called supplementary lungs, and all sorts of impurities are secreted by cutaneous exhalations, as well as by the breathing process.
Water of almost any temperature compatible with comfort would subserve that special end, but only cold water tends to expurgate microbes. Cold sponge-baths have often sufficed to nip an
