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Cholesterol and Diet

Since the late 1970s, North Americans and Europeans have been advised by our doctors to lower our cholesterol levels by eliminating saturated fat from our diets and substituting unsaturated fat. This led to the advent of low-fat, high carbohydrate diets. People were advised to eat far less fat overall, and were told that what fat was consumed should be sourced from processed seed and vegetable oils such as soybean, corn, and cottonseed oils. These oils contain a high level of Omega-6 fatty acids, which are very harmful if consumed in excess, but were recommended as the best choice in spite of that. Eggs, butter, meat, and full-fat cheese, which human beings have been consuming for thousands of years were suddenly declared to be harmful, and highly processed, chemical-laden substitutes were touted as the healthiest thing that people could possibly eat. Trans fats, which we now know are extremely harmful to human beings, were introduced in the form of margarine, and were used in many of the processed foods the population was advised to eat. It may be nothing more than a coincidence, but the levels of obesity throughout North America began to rise dramatically immediately after the low-fat craze became widespread, as did the rates of diabetes.
Throughout the last fifty years, many foods have been championed as the ideal food to eat in order to lower cholesterol levels – some studies insisted that grapes lowered cholesterol, others that oatmeal and other high-fiber foods were the best thing. There were studies that indicated fish was the key, while vegetarians insisted it was nuts, or avocados. Eventually, however, it became obvious that low fat diets cause harm instead of doing good – possibly contributing to rising rates of diabetes, obesity, and, ironically enough – heart disease.
In conclusion, medical science today is slowly beginning to come to the conclusion that moderat amounts of non-processed or minimally-processed foods containing normal amounts of saturated fats, and not exposed to pesticides, are your best bet for an optimally healthy diet.