General Hygiene

The knowledge that man is to be a temple for God, a habitation for the revealing of His glory, should be the highest incentive to the care and development of our physical powers. Fearfully and wonderfully has the Creator wrought in the human frame, and He bids us make it our study, understand its needs, and act our part in preserving it from harm and defilement.

Screening decision: The paragraph frames physical care primarily around theological duties and divine habitation rather than clinical mechanisms.

No scientific claim was identified in this screening pass. The paragraph’s teaching is retained above.

In order to have good health, we must have good blood; for the blood is the current of life. It repairs waste and nourishes the body. When supplied with the proper food elements and when cleansed and vitalized by contact with pure air, it carries life and vigor to every part of the system. The more perfect the circulation, the better will this work be accomplished.

Screening decision: It combines general health instruction with physiological statements about blood circulation and oxygenation.

At every pulsation of the heart the blood should make its way quickly and easily to all parts of the body. Its circulation should not be hindered by tight clothing or bands, or by insufficient clothing of the extremities. Whatever hinders the circulation forces the blood back to the vital organs, producing congestion. Headache, cough, palpitation of the heart, or indigestion is often the result.

Screening decision: The text asserts specific physiological and pathological consequences resulting from clothing restrictions on circulation.

In order to have good blood, we must breathe well. Full, deep inspirations of pure air, which fill the lungs with oxygen, purify the blood. They impart to it a bright color and send it, a life-giving current, to every part of the body. A good respiration soothes the nerves; it stimulates the appetite and renders digestion more perfect; and it induces sound, refreshing sleep.

Screening decision: The passage makes several direct physiological claims regarding respiration and bodily functions.

The lungs should be allowed the greatest freedom possible. Their capacity is developed by free action; it diminishes if they are cramped and compressed. Hence the ill effects of the practice so common, especially in sedentary pursuits, of stooping at one's work. In this position it is impossible to breathe deeply. Superficial breathing soon becomes a habit, and the lungs lose their power to expand. A similar effect is produced by tight lacing. Sufficient room is not given to the lower part of the chest; the abdominal muscles, which were designed to aid in breathing, do not have full play, and the lungs are restricted in their action.

Screening decision: This paragraph asserts anatomical changes in lung capacity based on posture and clothing habits.

Thus an insufficient supply of oxygen is received. The blood moves sluggishly. The waste, poisonous matter, which should be thrown off in the exhalations from the lungs, is retained, and the blood becomes impure. Not only the lungs, but the stomach, liver, and brain are affected. The skin becomes sallow, digestion is retarded; the heart is depressed; the brain is clouded; the thoughts are confused; gloom settles upon the spirits; the whole system becomes depressed and inactive, and peculiarly susceptible to disease.

Screening decision: The text links restricted breathing directly to generalized physical and mental depression, and disease susceptibility.

The lungs are constantly throwing off impurities, and they need to be constantly supplied with fresh air. Impure air does not afford the necessary supply of oxygen, and the blood passes to the brain and other organs without being vitalized. Hence the necessity of thorough ventilation. To live in close, ill-ventilated rooms, where the air is dead and vitiated, weakens the entire system. It becomes peculiarly sensitive to the influence of cold, and a slight exposure induces disease. It is close confinement indoors that makes many women pale and feeble. They breathe the same air over and over until it becomes laden with poisonous matter thrown off through the lungs and pores, and impurities are thus conveyed back to the blood.

Screening decision: The paragraph asserts a causal relationship between indoor confinement in vitiated air and increased disease susceptibility.

In the construction of buildings, whether for public purposes or as dwellings, care should be taken to provide for good ventilation and plenty of sunlight. Churches and schoolrooms are often faulty in this respect. Neglect of proper ventilation is responsible for much of the drowsiness and dullness that destroy the effect of many a sermon and make the teacher's work toilsome and ineffective.

Screening decision: The text links inadequate building ventilation directly to human fatigue and reduced cognitive effectiveness.

So far as possible, all buildings intended for human habitation should be placed on high, well-drained ground. This will ensure a dry site and prevent the danger of disease from dampness and miasma. This matter is often too lightly regarded. Continuous ill-health, serious diseases, and many deaths result from the dampness and malaria of low-lying, ill-drained situations.

Screening decision: The text asserts a direct empirical link between low, damp building sites and chronic illness or death.

In the building of houses it is especially important to secure thorough ventilation and plenty of sunlight. Let there be a current of air and an abundance of light in every room in the house. Sleeping rooms should be so arranged as to have a free circulation of air day and night. No room is fit to be occupied as a sleeping room unless it can be thrown open daily to the air and sunshine. In most countries bedrooms need to be supplied with conveniences for heating, that they may be thoroughly warmed and dried in cold or wet weather.

Screening decision: The text makes specific empirical claims regarding the necessity of air circulation and sunshine in rooms for health.

The guestchamber should have equal care with the rooms intended for constant use. Like the other bedrooms, it should have air and sunshine, and should be provided with some means of heating, to dry out the dampness that always accumulates in a room not in constant use. Whoever sleeps in a sunless room, or occupies a bed that has not been thoroughly dried and aired, does so at the risk of health, and often of life.

Screening decision: The passage asserts a direct physical risk to health and life from sleeping in sunless rooms or damp beds.

In building, many make careful provision for their plants and flowers. The greenhouse or window devoted to their use is warm and sunny; for without warmth, air, and sunshine, plants would not live and flourish. If these conditions are necessary to the life of plants, how much more necessary are they for our own health and that of our families and guests!

Screening decision: The text compares the environmental requirements of plants directly to human health needs.

If we would have our homes the abiding place of health and happiness we must place them above the miasma and fog of the lowlands, and give free entrance to heaven's life-giving agencies. Dispense with heavy curtains, open the windows and the blinds, allow no vines, however beautiful, to shade the windows, and permit no trees to stand so near the house as to shut out the sunshine. The sunlight may fade the drapery and the carpets, and tarnish the picture frames; but it will bring a healthy glow to the cheeks of the children.

Screening decision: The text claims that unobstructed sunlight exposure brings a healthy glow to children.

Those who have the aged to provide for should remember that these especially need warm, comfortable rooms. Vigor declines as years advance, leaving less vitality with which to resist unhealthful influences; hence the greater necessity for the aged to have plenty of sunlight, and fresh, pure air.

Screening decision: The text links aging and reduced vitality to a decreased ability to resist unhealthful influences, increasing environmental needs.

Scrupulous cleanliness is essential to both physical and mental health. Impurities are constantly thrown off from the body through the skin. Its millions of pores are quickly clogged unless kept clean by frequent bathing, and the impurities which should pass off through the skin become an additional burden to the other eliminating organs.

Screening decision: The text makes physiological assertions regarding skin pores, elimination of body impurities, and burdens on organs.

Most persons would receive benefit from a cool or tepid bath every day, morning or evening. Instead of increasing the liability to take cold, a bath, properly taken, fortifies against cold, because it improves the circulation; the blood is brought to the surface, and a more easy and regular flow is obtained. The mind and the body are alike invigorated. The muscles become more flexible, the intellect is made brighter. The bath is a soother of the nerves. Bathing helps the bowels, the stomach, and the liver, giving health and energy to each, and it promotes digestion.

Screening decision: The text asserts specific physiological and mental benefits resulting from regular bathing.

It is important also that the clothing be kept clean. The garments worn absorb the waste matter that passes off through the pores; if they are not frequently changed and washed, the impurities will be reabsorbed.

Screening decision: The text asserts a specific physiological mechanism regarding garments absorbing waste matter and impurities being reabsorbed if not washed.

Every form of uncleanliness tends to disease. Death-producing germs abound in dark, neglected corners, in decaying refuse, in dampness and mold and must. No waste vegetables or heaps of fallen leaves should be allowed to remain near the house to decay and poison the air. Nothing unclean or decaying should be tolerated within the home. In towns or cities regarded perfectly healthful, many an epidemic of fever has been traced to decaying matter about the dwelling of some careless householder.

Screening decision: Contains direct empirical claims about environmental sanitation, germs, and the causes of fever epidemics.

Perfect cleanliness, plenty of sunlight, careful attention to sanitation in every detail of the home life, are essential to freedom from disease and to the cheerfulness and vigor of the inmates of the home.

Screening decision: Asserts a direct relationship between environmental factors like sunlight and sanitation and freedom from disease.