“The sense of warmth occurs in the following way: When the alcohol enters the body, and by the blood-vessels is conveyed to all parts of the body, it reduces the nervous power of the small blood-vessels which are spread out through the whole of the surface of the skin. In their weakened state these vessels are unable duly to resist the course of blood which is coming into them from the heart under its stroke. The result is that an excess of warm blood fresh from the heart is thrown into these fine vessels, which causes the skin to become flushed and red as it is seen to be after wine or other strong drink has been swallowed and sent through the body. So, as there is now more warm blood in the skin than is natural to it, a sense of increased warmth is felt. The skin of the body is the most sensitive of substances and the sense of warmth through, or over the whole surface of the skin is conveyed from it to the brain and nervous centres of the body, by which we are enabled to feel.
“The warmth of surface which seems to be imparted by alcohol, only seems to be imparted. Positively the warmth is not imparted by the alcohol, but is set free by it.
“In a short time the sense of warmth is succeeded by a feeling of slight chilliness. Unless the person is in a very warm room, or has recently partaken of food, the thermometer will now show a decided decrease in temperature, reaching often to a degree. Should the person go out into a cold air, and especially should he go into a cold air while badly supplied with food, the fall of temperature may reach to two degrees below the natural standard of bodily heat. In this state he easily takes cold, and in frosty weather readily contracts congestion of the lungs, and that disease which is known as bronchitis. If the person drinks to drunkenness his temperature will be found to be from two and a half to three degrees below the natural standard. It takes from two to three days, under the most favorable circumstances, for the animal warmth to become steadily re-established after a drunken spree.
“The excitement of the mind in the early stages of drunkenness is not natural; it is exhaustive of the bodily powers, and exhaustive for no useful purpose whatever. * * * * *
“As nothing has been supplied by the alcohol to keep up the supply of heat the vital energy is rapidly exhausted, and if the person is exposed to cold, the exhaustion becomes extreme, sometimes fatal. All great consumers of alcohol are chillier during winter than are abstainers, and as they labor under the delusion that they must take wine or ale or spirits to keep them warm, they keep on making matters worse by constantly resorting to their enemy for relief.”
Dr. Newell Martin makes this very clear in his physiology, The Human Body.
“Our feeling of being warm depends on the nerves of the skin. We have no nerves which tell us whether heart or muscles or brain, are warmer or cooler. These inside parts are always hotter than the skin, and if blood which has been made hot in them flows in large quantity to the skin, we feel warmer because the skin is heated. As alcoholic drinks make more blood flow through the skin, they often make a man feel warmer. But their actual effect upon the temperature of the whole body is to lower it. The more blood that flows through the skin, the more heat is given off from the body to the air, and the more blood, so cooled, is sent back to the internal organs. The consequence is that alcohol, in proportion to the amount taken, cools the body as a whole, though it may for a time heat the skin.”
If other evidence that alcohol is not heat-producing in the body were necessary it could be found in the fact that the products of combustion are decreased when it is present in the body. The quantity of carbonic acid exhaled by the breath is proportionately diminished with the decline of animal heat.
Arctic explorers learned by experience what science discovered by experiment. Dr. Hayes, the explorer, says:—
“While fresh animal food, and especially fat, is absolutely essential to the inhabitants and travelers in Arctic countries, alcohol, in almost any shape, is not only completely useless, but positively injurious.”