Diabetes that starts in later life is almost always caused by inability to respond to insulin, not by lack of that hormone. Recent research show that eating too much fat and too many refined carbohydrates cause the diabetes, and avoiding excess fat and refined carbohydrates helps to control diabetes.
Insulin cannot do its job of driving sugar from the bloodstream into cells until it attaches on hooks on a cell's surface called insulin receptors. Eating too much fat and being fat decrease the number of insulin receptors and cause diabetes. Excess insulin production by the pancreas can also cause diabetes. Eating refined carbohydrates in sugar-added foods and drinks, bakery products and pastas calls out the most insulin and therefore increases risk for diabetes. The epidemic increase in diabetes over the last 20 years is most certainly caused by changes in our diet: taking in too much fat and refined carbohydrates, and being too fat. See report #D222.
Dietary fat content alters insulin-mediated glucose metabolism in healthy men. PH Bisschop, J deMetz, MT Ackermans, E Endert, H Pijl, F Kuipers, AJ Meijer, HP Sauerwein, JA Romijn. American Journal of Clinical Nutrition, 2001, Vol 73, Iss 3, pp 554-559. Address: Bisschop PH, Univ Amsterdam, Acad Med Ctr, Dept Endocrinol & Metab F5, Clin Chem Lab Endocrinol, NL-1100 DE Amsterdam, NETHERLANDS
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