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The main function of fat and high-fat foods, like butter, in the body is to provide energy. Extra fat in the body is stored in special fat cells and is the body's chief storage form of energy. A certain amount of stored body fat is normal and necessary. Excess amounts of stored body fat from any source can lead to obesity, which is a risk factor in many diseases.

In addition to providing energy, fats perform many other important functions in the body. Sufficient amounts of fat in the daily diet are necessary for several important reasons:

  • To provide the essential fatty acid necessary for proper growth and health and for keeping skin smooth and healthy;
  • For absorbing and using the fat-soluble vitamins A, D, E and K;
  • To provide padding to protect vital organs and the skeleton against bumps and falls;
  • To insulate the body from temperature variations;
  • As important parts of every body cell; and
  • To make eating more enjoyable by adding variety, flavor and aroma to foods.

Although fat performs many important functions in the body, most Americans eat too much fat. Fat makes up about 35 percent to 40 percent of the calories in a typical American diet. Most nutritionists agree that Americans should lower their total fat intake to 30 percent to 35 percent of their daily calories. In most cases, this could be achieved by cutting down on visible fat used. Examples of visible fats are margarine, butter, salad oil and the fat surrounding a cut of meat.

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15y ago

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