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Fats & Cholesterol: Nutrition Source, Harvard School of Public Health

Source: www.hsph.harvard.edu
Topic: Blood Cholesterol
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Sort Desciption: Most of us have heard this simple recommendation so often over the past two decades that we can recite it in our sleep. Touted as a way to lose weight and prevent cancer and heart disease, its no wonder much of ...

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Fats & Cholesterol Fats and Cholesterol The Good, The Bad, and The Healthy Diet Eat a low-fat, low-cholesterol diet. Most of us have heard this simple recommendation so often over the past two decades that we can recite it in our sleep. Touted as a way to lose weight and prevent cancer and heart disease, its no wonder much of the nation and food producers hopped on board. Unfortunately, this simple message is now largely out of date. Detailed research -much of it done at Harvard shows that the total amount of fat in the diet, whether high or low, isnt really linked with disease. What really matters is the type of fat in the diet. New results from the large and long Womens Health Initiative Dietary Modification Trial showed that eating a lowfat diet for 8 years did not prevent heart disease, breast cancer, or colon cancer, and didnt do much for weight loss, either.( 1-4 ) What is becoming clearer and clearer is that bad fats, meaning saturated and trans fats, increase the risk for certain diseases while good fats, meaning monounsaturated and polyunsaturated fats, lower the risk. The key is to substitute good fats for bad fats. And cholesterol in food? Although it is still important to limit the amount of cholesterol you eat, especially if you have diabetes, dietary cholesterol isnt nearly the villain its been portrayed to be. Cholesterol in the bloodstream is whats most important. High blood cholesterol levels greatly increase the risk for heart disease. But the average person makes about 75% of blood cholesterol in his or her liver, while only about 25% is absorbed from food. The biggest influence on blood cholesterol level is the mix of fats in the diet. What About Margarine vs. Butter? For years, margarine was pushed as a heart healthy alternative to butter. Butter was known to be filled ...

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