Cooking is an art that should be learned according to correct principles. Every physician should be a good cook. He should be able to go into the kitchen and show the housewife how to prepare foods properly. Medical men who are well versed in food preparation and able to make good food prescriptions have no need of drugs.

The flesh of animals is composed of fibres. These fibres are surrounded by connective tissue which is tough. The cooking softens and breaks down these tissues, thus rendering it easier for the digestive juices to penetrate and dissolve them. That is, proper cooking does this. Poor cooking generally renders the meats indigestible.

The simpler the cooking, the more digestible will be the food. Flavors are developed in the process, but these are hidden if the meats are highly seasoned.

"Boiling": When meats are boiled they lose muscle sugar, flavoring extracts, organic acids, gelatin, mineral matters and soluble albumin. That is, they lose both flavor and nourishment. Therefore the liquid in which they are cooked should be used.

The proper way to boil meat is to plunge it into plain boiling water. Allow the water to boil hard for ten or fifteen minutes. This coagulates the outer part of the piece of meat. Then lower the temperature of the water to about 180 degrees F. and cook until it suits the taste. If it is allowed to boil at a high temperature a long time, it becomes tough, for the albumin will coagulate throughout.

Salt extracts the water from meat. Therefore none of it should be used in boiling. The meat should be cooked in plain water with no addition. No vegetables and no cereals are to be added. All meats contain some fat, and this comes into the water and acts upon the vegetables and starches, making them indigestible. Season the meat after it is cooked, or better still, let everyone season it to suit the taste after serving.

Meats that are to be boiled should never be soaked, for the cold water dissolves out some of the salts and some of the flavoring extracts, as well as a part of the nutritive substances. It is better to simply wash the meat if it does not look fresh and clean enough to appeal to the eye, which it always should be.

"Stewing": If meat is to be stewed, cut into small pieces and stew or simmer at a temperature of about 180 degrees F. until it is tender. It is to be stewed in plain water. If a meat and vegetable stew is desired, stew the vegetables in one dish, and the meat in another. When both are done, mix. By cooking thus a stew is made that will not "repeat" if it is properly eaten. Foods should taste while being eaten, not afterwards.

"Broths": If a broth is desired, select lean meat. Either grind it or chop it up fine. There is no objection to soaking the meat in cold water, provided this water is used in making the broth. Use no seasoning. Let it stew or simmer at about 180 degrees F. until the strength of the meat is largely in the water.

When the broth is done, set it aside to cool. Then skim off all the fat and warm it up and use. One pound of lean meat will produce a quart of quite strong broth.

"Broiling": Cut the meat into desired thickness. Place near intense fire, turning occasionally, until done. Be careful not to burn the flesh. An ordinary steak should be broiled in about ten minutes. Of course, the time depends on the thickness of the cut and whether it is desired rare, medium or well done, and in this let the individual suit himself, for he will digest the meat best the way he enjoys it most.

Beefsteak smothered in onions is a favorite dish. It is not a good way to prepare either the onions or the steak. A better way is to broil both the steak and the onions, or broil the steak, cut the onions in slices about one-half to three-fourths of an inch thick, add a little water and bake them. Beefsteak and onions prepared in this way are both palatable and easy to digest.

"Roasting" is just like broiling, that is, cooking a piece of meat before an open fire. Here we use a larger piece of meat and it therefore takes longer. Of old roasting was quite common, but now we seldom roast meat in this country.

"Baking": Here we place the meat in an enclosed oven. Most of our so-called roast meats are baked. The oven for the first ten or fifteen minutes should be very hot, about 400 degrees F. This heat seals the outside of the meat up quite well. Then let the heat be reduced to about 260 degrees F. If it is kept at a high temperature it will produce a tough piece of meat. The time the meat should be in the oven depends upon the size of the piece of meat and how well done it is desired.

While baking, some of the juices and a part of the fat escape. About every fifteen minutes, baste the meat with its own juice. A few minutes before the meat is to be removed from the oven it may be sprinkled with a small amount of salt, and so may broiled and roasted meats a little while before they are done. However, many prefer to season their own foods or eat them without seasoning and they should be allowed to do so.

"Steaming": This is an excellent way of cooking. None of the food value is lost. Put the meat in the steamer and allow it to remain until done. The cheapest and toughest cuts of meat, which are fully as good as the more expensive ones and often better flavored, can be rendered very tender by steaming. Tough birds can be treated in the same way. An excellent way to cook an old hen or an old turkey is to steam until tender and then put into a hot oven for a few minutes to brown. Some birds are so tough that they can not be made eatable by either boiling or baking, but steaming makes them tender.