Low GI diet benefits challenged

The low Glycaemic Index movement's ‘good vs bad carbohydrates' mantra has been challenged by a new study that reports diets with low GI content do not improve cardiovascular and diabetes risk factors.

Neither a low or high glycaemic diet affected systolic blood pressure, LDL or HDL cholesterol, or insulin sensitivity, found the study of 163 overweight adults with prehypertension or mild hypertension.

In fact, low glycaemic diets decreased insulin

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