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why do we need to eat fats

Trans fats are unsaturated fats that have been processed and as a result, behave like saturated fats. Eating trans fats increases the levels of bad cholesterol and decreases the levels of good cholesterol in the body which is a major risk factor for heart disease. It is important to lower the amounts of trans fats you eat to help you stay healthy. Trans fats are found in many packaged foods and also in butter and some margarines. Use
to compare foods and choose those with fewer trans fats.

It is great for health to replace saturated and trans fats with mono and polyunsaturated fats. Source:. Cholesterol is a type of fat found in food, but also in our blood. Cholesterol has many important functions in the body but having high levels of the wrong type of cholesterol in the blood increases heart disease risk. It was once thought that eating too many cholesterol-containing foods (such as eggs) was the major dietary cause of high blood cholesterol level. But we now know that eating too many foods containing higher amounts of saturated and trans fats is a bigger problem and has a much greater influence on blood cholesterol levels.

Source:. Too much dietary fat causes many health problems. However, it is important to have some fat in your diet; about 20 to 35 percent of your calories should come from a variety and balance of healthy fats ( ). Fat provides a highly-concentrated form of energy. One gram of fat gives you nine calories of energy, which is over twice that provided by carbohydrates or protein.

Fat enables your body to transport, store and absorb the fat-soluble vitamins A, D, E and K. An absence of fat may mean a deficiency in these vitamins. Fat-soluble vitamins help to regulate blood pressure, heart rate, blood vessel constriction, blood clotting, and the nervous system. F at provides insulation and a protective cover for vital organs. In an average adult, as much as 9 lbs of fat is found around the liver, heart, kidneys and other organs.

Essential fatty acids from omega-3 and omega-6 fats cannot be made by your body, and therefore they must be supplied through your diet. Dull, lifeless hair and dry skin can be a sign that you may not be getting enough of these fats. And of course, fat adds extra flavor, aroma, and texture to food, which is perhaps why we so often and too easily eat too much of it. Remember to limit your fat intake to 20 to 35 percent of your calories and to choose "good" fats whenever possible.

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