"Among the hundred or more types of healing offered to the sophisticated is aerotherapy. Obviously aero therapy means treatment by air, but in this instance hot air is particularly concerned. The patient is baked in a hot oven. Heat relieves pain and produces an increased flow of blood to the part heated. The blood-aids in removing waste products and brings to the part the substances that overcome infection. There is nothing essentially wrong about hot air therapy. "Since the time of Hippocrates and indeed even in Biblical legend men have availed themselves of the healing powers existing in nature. The light and heat of the sun, the burning steam from natural hot springs, the dry air of the desert, and even the buffeting of the waves of the sea have been used for physical stimulation in overcoming disease. It has remained for...