In Part 1, we began the process of distinguishing the difference between a food group and a macronutrient. Carbohydrates (Carbs) are probably the most vilified of the macronutrients. This is probably due to the ubiquitous availability of starch foods throughout human history. For the most part, oils, fats, and meats were the food of the rich. Everyone else ate beans, rice and potatoes.
If we listed the many staple foods: grains, rice, beans, squash, quinoa, potatoes and corn we see a high amount of starch. Remember, starch is simply a long chain of glucose. We all need glucose to live and our primary energy is derived from glucose and stored glycogen or fat (more later).
I want you to know that a carbohydrate need not be fattening, nor lead to diabetes. In fact, Carbohydrates can be very satiating (1) for 4-5 hours after meals. What seems to be the big diversion, where the “bad carbs” come in, is the processing (blending, frying, flouring, pasting, etc) of carbohydrate. When we break starch down too much in the food preparation process, it leads to lots of simple sugars. These are both easy to overeat and can have other deleterious health effects.
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