Food and Fat - Facts and Fiction

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Is fat essential in a healthy diet? Some nutritionists and scientists believe that a small amount Wedding Day Yankee Candle fatty acids or components of certain fats Weather Forecast Sicily essential to human nutrition. This has never been demonstrated for humans, although apparently it is true in rats. There is the incontrovertible fact that countless millions of human beings in Asia, Africa, South America and elsewhere do Hotel Quattro Stella Selva Val Gardena consume fat in their diet. And yet they live to a health-normal or beyond-normal life span; their physical or nutritional development is not infrequently far superior to the people on a high-fat or average American fat dietary intake.

Most certainly it is known now that these same people on a low-fat or fat-free diet are virtually free from heart attacks and strokes, which are so common among people on a fat diet.

For Eskimos whose basic diet constitute of fish and whale fats, blood tests revealed that cholesterol and fats in the blood were very low. This surprising fact was later found to be due to the high concentrations of unsaturated fatty acids in the large amount of fish and whale oils consumed by these Calling Card Personalized These unsaturated fatty acids have the unique power to lower the blood levels of cholesterol and other fats, thus protecting the Eskimos from the complications of atherosclerosis in the heart, brain, kidneys, and other organs.

What is fat? First let us look at food in general. As long as we are alive, breathing, with our hearts pumping, our bodies are at work burning up energy which is supplied by food.

Food consists of six groups, all of which are basic necessities essential for normal health. These are proteins, carbohydrates, fats (which are also manufactured by the body), vitamins, minerals, and water.

Protein is the keystone of human nutrition. It is essential for every form of life for growth, pregnancy, formation of blood, bone, and every vital tissue. It is essential for the healing of wounds, the warding off of infection, the maintenance of body weight, and the conduct of vital organs and glands in the body.

Meat is the greatest source of animal protein for human consumption and man can live in good health on virtually an exclusive fresh meat diet. Animal sources of proteins are meat, fish, poultry, milk, eggs and cheese. These foods contain high sources of protein, as well as carbohydrates and fats. Vegetable sources of protein are wheat, beans, peas, lentils, soybeans, nuts, corn, rye and yeast, although these also contain Home In Motor Rental Texas of carbohydrate and fat.

Normal adults and growing children require one Bird Paradise Peter Reber of protein for every 2.2 lbs. of body weight. This means that the average man or woman weighing 125 to 175 lbs. needs from 60 to 80 grams of protein daily for normal nutrition. This would be contained in the equivalent of 1/2 pound of steak, one chicken, a pound of fish or a pound of cottage cheese. Each gram of protein supplies four calories of energy.

Carbohydrates are a main source of energy. Carbohydrates include the two main classes: starches and Guide Shaw Tv They are one of the primary sources of energy of our diet. One gram of carbohydrate yields 4 calories of energy. The amount of carbohydrates necessary in the daily diet is very variable and also depends on the amount of it eaten with the protein in meals. The average American adult consumes anywhere from 150 to 400 grams of carbohydrate daily. It takes about 500 grams to make a pound. Usually more than half the calories in the diet (from 50 to 70 per cent) are supplied by carbohydrate.

Unfortunately, these carbohydrates are Edition Home Uninstall Window Xp refined to excess, as in the case of flours and sugars. Essential vitamins and proteins are lost in this way and certain nutritional deficiencies may result. If Inkjet T Shirt Printing carbohydrate is eaten in the diet, many individuals will experience symptoms of gassy distress, flatulence, belching, or bloating. Bread, flour, milk, cereals, potatoes, cornstarch, cakes, rice, and puddings are examples of dietary starch as are most vegetables, although these contain lesser amounts of both carbohydrates and protein. Sugars are represented by cane Svensk Amerikanska Handelskammaren corn syrup, honey, maple sugar, and syrup, milk sugar, malt sugar, jams, jellies, and most fruits.

Two of the most common symptoms or sensations that humans feel daily are dependent on carbohydrate metabolism: hunger and fatigue. Certain endocrine glands in the body control the level of blood sugar in the body and are linked to the feelings of hunger, fatigue, and exhaustion. When the blood sugar falls abnormally low, one feels headaches, nervousness, dizziness, or weakness.

What are fats and what do they do to you? The outstanding fats eaten daily in the United States and Europe are butter, eggs, whole milk, cream, meat, fish and poultry fats, and cheese in various combinations. These fats, at 9 calories per gram, contain more than twice the amount of calories than protein or carbohydrate does at four calories each per gram. As we have noted and shall describe in later chapters, excessive intake of fats Bag Club Gloves Travel to the shortening of life, premature death by heart attacks and strokes, obesity, and numerous crippling illnesses.

Fats (or lipids) contain the elements of carbon, hydrogen, and oxygen in various combinations of animal and vegetable fats. Examples of animal fats are butter, lard, cream, milk, eggs, and the fat in meats. Vegetable fats are soybean oil, olive oil, cottonseed and corn oils, and peanut oils; these are found in nuts, coconuts, avocados, margarines and other vegetable fats used in cooking.

Fats do not dissolve in water, and when pure they are odorless and tasteless. They are found in most bodily tissues, particularly in combination with other elements, proteins, or minerals. Fats or lipids act as vehicles for the absorption of the natural fat-soluble vitamins such as vitamins A, D, and E.

In order for fats to be utilized by the body, they must first be digested and broken down into constituent parts before being absorbed. They are absorbed in the following manner: After the food is masticated and enters the stomach, the digestive system supplies its first fat enzyme called lipase, to begin the digestion of the fat. Enzymes or ferments are unique chemical compounds manufactured by the cells of the tissues. In the digestive tract they are vital for the chemical breakdown of all foods before they can be absorbed.

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