We speak of the three kingdoms: the animal, the vegetable and the mineral kingdoms, and every substance is classified into one of these. The exact truth is there is but one kingdom, which is the mineral. The vegetable substances and animal combinations are made of mineral elements.

In a rough way we distinguish the mineral kingdom as those substances called elements, such as iron, sulphur, carbon, oxygen, hydrogen, sodium and the like.

These elements are unchangeable in themselves; they do not grow. The animal is made of mineral elements associated in certain proportions, such as albumin, carbon, lime, water, salt and the like. The vegetable kingdom also consists of these various chemical combinations.

Seed, when planted, extracts the minerals from the air and the earth and combines them into a plant, which grows and has for its object the making of seeds to reproduce and perpetuate itself.

The plant has life, but it has no spiritual or mental equipment, and therein vegetable life differs from the animal life. The animal eats vegetable and animal flesh. Through the vegetable he gets the mineral matter necessary for body-building. He also gets a plentiful supply of mineral from the flesh he eats, which flesh was first built up through the vegetables the animal ate.

These are definite facts.

The human body may be analyzed and separated into something like a dozen substances, among which are water, which is three-fourths of the body's structure, carbon, lime, phosphorus, iron, potassium, salt and so on.

By reading a book on anatomy you can learn just exactly the proportions of the substances in the human body.

All these chemicals are formed in the shape of little cells, myriads of which are in the body. These cells are constantly being destroyed and new ones made to take their place.

Parts of the body are replaced every twenty-four hours; other parts less often.

Scientists tell us that the whole body is replaced every seven years. Every move you make destroys cells which nature has to replace. Isn't it reasonable then to conclude that if a man should fail to eat enough lime for his body-building, his bones would suffer? If he does not get enough iron, his blood will suffer, and so on. I am convinced that most physical ailments are caused by a deficiency of the mineral elements in the body.

Phosphorus and potash are necessary to human welfare. These elements are in the husk of the wheat, and when the husk is taken off in making flour, the resulting product is mostly starch. The person who lives mostly on white bread will suffer from lack of phosphorus and potash.

Nothing could be better for the health of the American people than the nation-wide food campaigns the government is conducting. The educational value of these campaigns is enormous.

Eat less wheat! White bread is unessential. Bran, or whole wheat bread, is far more healthful and nourishing, and contains more of the elements the human body needs.

Eat more fruit. People do not eat enough fruit. Every year thousands of bushels of peaches and grapes and other fruit go to waste because the demand is not great enough to ship the entire output to the great consuming centers.

Study your body's needs. Health is maintained at its proper level only so long as you eat carefully and wisely.