Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics

Objects that get into the eye should be removed before they cause inflammation; rubbing in the meantime only irritates and increases the sensitiveness. If the eye be shut for a...

_The Eustachian Tube_.--The use of this tube is twofold. First, it supplies the drum with air, and keeps the membrane exactly balanced, and free to move, with equal air pressure...

162. What is the pylorus? For what does this open? What is the gastric juice? How abundant is it? To what is its acidity due? What organic principle does it contain? How is peps...

57. Why are the teeth spoken of in connection with the mucous membrane? Name and describe the four kinds of teeth. What are the milk teeth? Describe them. What teeth appear first?

_How Disease Germs Grow_.--Experiments having shown that no life is known to spring from inanimate matter, we may reasonably suppose that just as wheat does not grow except from...

CONNECTIVE TISSUE.--The cutis and the corresponding layer of the mucous membrane consist chiefly of a fibrous substance interlaced, like felt. It is called connective tissue, be...

6. _A Dislocation_ is the forcible displacement of a bone from its socket. It is, generally, the result of a fall or a violent blow. The tissues of the joint are often ruptured,...

5. _The Cellar_.--_A Typical Bad Cellar_.--Did the reader ever, when a child, see the cellar afloat at some old home in the country? You creep part way down the cellar stairs wi...

For the mentally exhausted, the worried, the "nervous," and the distressed in mind, fish is not simply a food; it acts as physic. The brain is nourished by it, the "nerves"--to...

_Rowing_.--The muscles employed in rowing may be summed up under two heads--those that are used in the forward swing, and those used in the backward. In the _forward_ swing all...

The Constituents of Tobacco Smoke are numerous, but the prominent ones are carbonic-acid, carbonic-oxide, and ammonia gases; carbon, or soot; and nicotine. The proportion of the...

TESTS OF THE BREATH.--1. Breathe into a jar, and on lowering into it a lighted candle, the flame will be instantly extinguished; thus indicating the presence of carbonic-acid ga...

_Cigarette Smoking_ is chargeable with a growing demoralization and mortality among boys and young men. It is no uncommon sight to see lads of ten years old and under, with the...

THE STRUCTURE OF THE BONES--When a bone is sawed lengthwise, it is found to be a compact shell filled with a spongy substance This filling increases in quantity, and becomes mor...

Dr. Woodbridge, of New York, in a recent address, gave the following directions as to "What to do in case of a sudden wound when the surgeon is not at hand." "An experienced per...

The period of early childhood--say up to seven or eight years of age--is that during which the brain and other parts of the nervous system are most actively developing, in order...

2. _Inflammation_ means simply a burning. If there is irritation or an injury at any spot, the blood sets thither and reddens it. This extra supply, both by its presence and the...

At the end of about three weeks, if you make a section of the callus, minute specks of earthy matter are visible, deposited in it here and there, and at the same time some of th...

THE TRICUSPID AND BICUSPID VALVES.--At the opening into the right ventricle, is a valve consisting of three folds or flaps of membrane, whence it is called the _tricuspid_ valve...

"A lawyer had been excessively perplexed about a very complicated question. An opinion was required from him, but the question was one of such difficulty that he felt very uncer...

TIME FOR EXERCISE.--We should not exercise after long abstinence from food, nor immediately after a meal, unless the meal or the exercise be very light. There is an old-fashione...

"See how yon beam of seeming white Is braided, out of seven-hued light; Yet in those lucid globes no ray By any chance shall break astray. Hark, how the rolling surge of sound,...

IV. ABSORPTION is performed in two ways, by the _veins_, and the _lacteals_. (1.) The veins in the stomach [Footnote: The veins and the lacteals are separated from the food by a...

5. _Consumption_ is a disease which destroys the substance of the lungs. Like other lung difficulties, it is caused largely by a want of pure air, a liberal supply of which is t...

Yet during this entire time his weight may have been nearly uniform. [Footnote: If, however, he were kept on the scale pan of a sensitive balance, he would find that his weight...

_Danger in Bathing when Overheated_.--It is unwise to bathe when copious perspiration has continued for an hour or more, unless the heat of the weather be excessive, or the swea...

"As a king sits high above his subjects upon his throne, and from it speaks behests that all obey, so from the throne of the brain cells is all the kingdom of a man directed, co...

If, on the other hand, you take into your stomach a little alcohol, it receives no such welcome. Nature treats it as a poison, and seeks to rid herself of the intruder as soon a...

4. _Ingrowing Nails_ are caused by pressure, which forces the edge of the toe nail into the flesh. They may be cured by carefully cutting away the part which has mal-grown, and...

We shall learn, as we study the influence of alcohol upon the human system, that one of its most subtle characteristics is the progressive appetite for itself (p. 185) which it...

The above are the series originally prepared (as their general title indicates) to supply the demand created by the laws for temperance instruction in public schools in the Unit...