Read Ebook: Health Lessons Book 1 by Davison Alvin

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The taste of the tobacco smoke may cause some gastric juice to run out into the stomach, but at the same time it is likely to hurt the nerves of taste so that food cannot give so much enjoyment as when the nerves are unharmed. Although smoking may at the time help digestion a little, the poison in the tobacco may afterward injure the body. This poison is especially harmful to growing bodies, and boys who are wise will refuse to smoke on all occasions.

The flavor of beer may sometimes cause an extra flow of gastric juice into the stomach, but the alcohol in the beer is likely to make the movements of the stomach slower. This prevents the food from being well and quickly mixed with the juices. Several glasses of beer used at one meal will make the stomach do its work very slowly, and it will not do it well.

PRACTICAL QUESTIONS

THE CARE OF THE MOUTH

It is just as important to wash the mouth two or three times each day as it is to wash the hands and face. A few germs of diphtheria, sore throat, or tuberculosis are likely to get into the mouth any day, but if the mouth and teeth are well washed with a brush morning and night, the germs will not have time to grow and cause sickness.

The first four teeth of the second set appear in the sixth year, just behind the last milk teeth . These teeth should be watched very closely and at the first sign of decay you should go to the dentist. As the milk teeth get loose and come out, the second set of teeth take their places.

If you are ten or eleven years old, you should have twelve good teeth in the upper jaw and the same number below. The last ones to break through the gums are the four wisdom teeth at the back of the mouth. They appear after the seventeenth year.

It is wise to have the dentist examine the teeth once or twice every year and remove a limy substance called tartar collecting at their base. The dentist can stop the decay in a tooth by cleaning out the little hole and filling it with gold or some other material. It may cause a little pain and expense to have the teeth filled, but it will save a hundred times as much pain and expense later. The six year molars need special care as they are likely to decay early. Even the milk teeth often need filling so that they will not be lost too soon.

Four out of every five children suffering from diphtheria or other throat or ear troubles are found to have from one to ten bad teeth. You must keep good teeth if you wish to be well and strong.

A part of badly chewed food is turned into a poison farther down in the food canal. This is what makes many people feel so tired and miserable much of the time. Hundreds of men have been refused admission to our army because they have poor teeth. Soldiers must be strong and well to take long marches and fight battles. Sound teeth give strength and health.

PRACTICAL QUESTIONS

ALCOHOLIC DRINKS

When yeast grows, it changes the sugar or sweet part of the water into alcohol and a gas called carbon dioxide. It is this gas which makes beer foam and bubble when opened. All alcohol used in beer, porter, ale, wine, brandy, rum, gin, and whisky is made by yeast plants.

The grapes after being picked are thrown into large tubs and crushed so that the juice runs out. The wild yeast always present on the grape skins begins to grow in the juice and change some of the sugar into alcohol. This work of the yeast lasts from one to eight weeks. At the end of that time, the grape juice has become a kind of poor wine, consisting of alcohol, water, grape flavor, and some acid. To make the wine good it must be drawn off into casks, where the yeast causes further changes during several weeks. It is then put into bottles, where it should remain about five years to get the right flavor.

PRACTICAL QUESTIONS

ALCOHOL AND HEALTH

When parents waste their money on drink, they cannot buy the food and clothes needed to keep their families strong and well. In this way strong drink causes much sickness and suffering and sometimes even death.

A few years ago a group of fifty well-known men in the United States spent much time and thousands of dollars to learn how much alcohol was harming our country. After much study among many people they announced that there were about one million men and boys whose health had been injured by strong drink, such as beer, wine, and whisky. Because strong drink causes so much sorrow and sickness several states have passed laws forbidding its sale, and saloons have been closed by laws in parts of many other states.

The doctor got two healthy kittens and fed them a little alcohol every day for nearly two weeks. In a few days they stopped being playful, did not grow, and did not keep their fur clean and smooth as healthy kittens do. After using alcohol several days they became very ill. This experiment showed that alcohol stops kittens from growing and robs them of good health.

The two drinking dogs got sick more easily and staid sick much longer than the temperance dogs. The drinking dogs became lazy, and timid, while the others were strong, full of fun, and brave.

Within four years the drinking dogs had born to them twenty-seven puppies, but only four of them lived to grow up. The others were too weak or sickly to live. During the same time the temperance dogs had forty-five puppies and forty-one of these lived. This shows that strong drink will not only injure the bodies of those who take it, but will make their children weak and sickly.

The kidneys which take the waste out of the blood often become injured by alcohol and a disease causing death follows. Sometimes the stomach becomes diseased so that it cannot do its work. This makes the whole body sick.

The hardening of parts of the liver is nearly always caused by the use of beer. The liver is sure to suffer if one uses much alcoholic drink because the alcohol goes direct from the food tube to the liver. Long use of strong drink may bring on disease in the brain and nerves.

TOBACCO AND OTHER DRUGS WHICH INJURE THE HEALTH

After cutting, the tobacco must be dried and cared for in a special way to give it the right flavor. It is then sent to factories and made into cigars, smoking tobacco, or chewing tobacco.

Many men chew tobacco. When used in this way, something like licorice is generally mixed with the tobacco to give it a more pleasant taste. Sometimes the dry tobacco is ground into a fine powder called snuff. This is used by both men and women.

A large number of measurements made by Doctor Seaver showed that the boys who did not use tobacco gained in four years one twentieth more in weight and one fourth more in girth and height than the users of tobacco. These boys were between sixteen and twenty-two years of age. It is likely that tobacco will have a more harmful effect on younger boys.

The Germans a few years ago passed a law in their land forbidding all boys and girls under sixteen years of age to use tobacco in any form. Seeing the good results of this law in Germany and the harm that tobacco was doing the boys in the United States, the Emperor of Japan on the 6th of March, 1900, proclaimed this law: "The smoking of tobacco by minors under the age of twenty is prohibited."

In our own country several states have passed laws against the use of cigarettes by boys. One country after another is learning that if they want strong men, to fight, to work, and to win, tobacco must not be allowed to weaken the bodies of the young.

The use of tobacco either by chewing or smoking gradually causes in any one the growth of an appetite which makes him feel miserable and unhappy unless it is kept satisfied. It can be satisfied only by the use of more and more tobacco.

Many men would like to quit the use of tobacco if they could do so without suffering. They are slaves, and tobacco is their master.

Coffee is the seed of a plant growing in South America and Asia. It is roasted, then ground, and boiled in water to make the drink called coffee.

Children should not use either tea or coffee as they are likely to hurt the stomach and may injure the heart. One or two cups of tea or coffee daily seem to have little or no bad effect on the health of most grown persons. Coffee taken at supper may keep one awake by sending too much blood to the brain.

PRACTICAL QUESTIONS

THE SKIN AND BATHING

The top part of the skin is dry and dead. This gives better protection than if it were moist and tender. Particles of it are wearing out and dropping off while other bits are growing beneath to take the place of the worn-out parts. The more this top skin is pressed on and rubbed, the thicker it becomes. For this reason it is twice as thick in the palms of the hand and on the soles of the feet.

Scattered through the true skin are millions of tiny organs fastened to the ends of the nerve threads leading to the spinal cord and brain. These organs tell us when the skin is touched or when it is hot or cold or is being hurt.

There is a little waste matter carried out of the body by the sweat, but its chief use is to cool the body. It does this by passing off in the air and carrying the heat with it. In this way the body is kept from getting too hot in summer.

There is no way of removing at once freckles or tan. They usually disappear in the winter. No powders nor any other kind of medicine should be taken to make the skin white and smooth. Such medicines may contain poison and are likely in time to hurt the body. The skin may usually be kept soft and smooth by washing well with soft water and good soap. If it becomes harsh or cracked, a little glycerine rubbed on after each washing may help it.

The ends of the nails should never be chewed or torn off, as this makes the fingers blunt and the flesh sore. They should be filed or cut neatly with the scissors so that they do not stick out beyond the ends of the fingers.

Many boys and some girls spoil the appearance of their nails by letting a line of black dirt remain beneath them. A piece of a stick or a nail cleaner should be passed beneath the nails every time the hands are washed. If the fingers are much soiled, a stiff brush is useful in removing the dirt under the nails.

After thirty or forty years of age the hair begins to turn gray. No medicine will prevent the hair from turning gray, and it is generally unwise to color the hair with a dye. There is poison in some of the mixtures sold to color the hair.

The scalp should be well cleansed with soap and warm water every three or four weeks. The hair should be dried quickly with a soft towel and by sitting in the sun or near a stove. One is likely to catch cold by going out of doors when the hair is wet. Hair oils and dandruff cures should not be used unless advised by a physician. Pinching and wrinkling the scalp twice weekly with the fingers makes the blood tubes grow larger and bring more food to the hair. It will also in many persons stop the hair from falling out and prevent dandruff and itching.

Many persons take a bath every day. A cold bath taken just after rising in the morning wakes up the nerves, makes the heart work better, and gives health and strength to the whole body. Afterward, the body should be well rubbed with a coarse towel. The bath may be taken by lying in a tub of water or by rubbing the body over quickly with a wet sponge. A hot bath is best for cleansing the skin. A warm bath makes one sleepy and should, therefore, be taken only at bedtime.

The blood coming to the kidneys is full of waste and dead matter picked up from all parts of the body. This is passed out through the thin walls of the thousands of little blood tubes into the many tiny tubes of the kidneys.

Water is required to keep the body clean within as well as without. For this reason you should drink more than a quart of water daily. A glass or two of water drunk a half hour before meals cleanses and rouses to action the digestive organs.

If a person takes a drink only once in a while, his face becomes red after each drink, and an hour or two later the effect of the alcohol passes off. The blood tubes have squeezed up to their natural size.

PRACTICAL QUESTIONS

CLOTHING AND HOW TO USE IT

Some kinds of clothing are much warmer than others. Some are expensive and others are cheap. Cheap clothes will often serve the same purpose as the more costly ones. If you look at your handkerchief or stockings, you will see that they are made of threads running crosswise to each other. All clothing is made from threads. Some of these are wool, some are linen, a few are silk, and many are cotton.

When the cocoons are to be used for silk, the worm is killed by heat as soon as it has woven its home so that it may not change to a moth and eat off some of the silk in getting out. Many thousand worms are needed to get enough silk for a dress. The worms are raised largely in China, Japan, Italy, and France.

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