This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1857 edition. Excerpt: ...persons fails to accomplish the required inflation, and the lungs become diseased for want of their natural action Full, deep breathing and pure air are as essential to healti happiness, and the right performance of our duties, wh."tl.. individual, political, or social, as pure food and ter"-y rate habits of eating and drinking are. Attend, the. to the lungs as well as the stomach. Breathe good 'i.. Have all your rooms, and especially your sleepis-, _cents ipnrtment, well ventilated. The air which has been vitiated by breathing or by the action of fire, which abstracts the oxygen and supplies its place with carbonic acid gas, .s subtle poison. The amount of physical exercise required varies with age, sex, and temperament; but no person can enjoy vigorous health without a considerable degree of activo bodily exertion. Four or five hours per day spent in the open air, in some labor or amusement which calls for the exercise of the muscles of the body, is probably no more than a proper average. We can live with less--tha.t is, for a short time; but Nature's laws are inexorable, and we can not escape the penalty afiixed to their violation. Those whose occupations are sedentary should seek amusements which require the exertion of the physical powers, and should spend as much as possible of their leisure time in the open air. We must, however, use good judgment in this matter as well as in eating. Too much exercise at once, or that which is fitful and violent, is often exceedingly injurious to those whose occupations have accustomed them to little physical exertion of any kind. The women of our country are suffering incalculably for want of proper exercise. N0 other single cause perhaps is doing so much to destroy health an