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Glycemic index may not affect insulin resistance or risk factors for cardiovascular disease

AJN The American Journal of Nursing: March 2015 - Volume 115 - Issue 3 - p 17
doi: 10.1097/01.NAJ.0000461801.29657.19
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Glycemic index may not affect insulin resistance or risk factors for cardiovascular disease. Researchers reporting in JAMA studied 163 overweight adults with prehypertension or stage 1 hypertension for five weeks. Patients ate four different diets geared toward cardiovascular health with varying amounts of total carbohydrates and with foods low or high on the glycemic index. Insulin sensitivity, high-density and low-density lipoprotein cholesterol levels, and systolic blood pressure did not improve in patients consuming diets comprising low–glycemic index foods, compared with those consuming high–glycemic index foods. In fact, insulin sensitivity decreased with a low–glycemic index diet.

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