Over the years, many theories have evolved about the relationship between higher consumptions of sugar and various diseases and conditions. However, dietary sugar does not appear to promote the development of diabetes, at least not directly. As discussed above, diabetes can be largely categorized into two groups: those individuals that have a reduction in ability to make insulin (type 1 diabetes) and those individuals that appear to make insulin, but whose muscle and fat cells appear to be less sensitive to its presence (type 2 diabetes). In most cases of type 2 diabetes mellitus, one of the most significant underlying factors is an excessive body weight in the form of fat. So, if a person eats excessive amounts of sugary foods, which by simple excess of energy intake will lead to fat accumulation, obesity, and subsequent diabetes, then perhaps an argument can be made. However, sugar would then be an indirect factor, not a direct factor. On the other hand, high sugar foods such as soda, cookies, cakes, and pies can make it more difficult to manage diabetes because of their glycemic effect described above.
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