n CME : Your SA Journal of CPD - The food guide pyramid : has it become our tombstone? : main article




For over 2 decades, nutritional guidelines for optimal health have emphasised low-fat, high-carbohydrate intake. <br>During this time the incidence of obesity has increased, despite reduced fat intake. <br>The metabolic syndrome was identified in 1988, and linked with high circulating levels of insulin and insulin resistance. <br>In 1981 the concept of the glycaemic index showed that all complex carbohydrates are not equal and that processed carbohydrate products produce large glycaemic responses with high insulin demands. <br>It is possible that by encouraging increased carbohydrate intake, the incidence of metabolic syndrome was increased. <br>Through fat restriction, the intake of fish oil (EPA) has been low. EPA has been shown to be beneficial in reducing cardiovascular disease risk, which is high in patients suffering from the metabolic syndrome. <br>Nutritional guidelines for optimal health should be based on low GI, and allow for higher intakes of fish oil or omega-3 rich fats.


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