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Low Glycemic Diet does not Improve Risk Factors for Cardiovascular Disease and Diabetes

“Our findings demonstrated that using glycemic index to select specific foods did not improve LDL cholesterol, HDL cholesterol, triglycerides, blood pressure or insulin resistance.”

Cooking with Kathy Man

Nutrition experts are continually debating the nutritional value of carbohydrate-containing foods and whether some are healthier than others. High carbohydrate foods are classified by how much they increase blood sugar; known as glycemic index. In new findings led by researchers at Brigham and Women’s Hospital (BWH) in Boston and Johns Hopkins University (JHU) in Baltimore, researchers looked at glycemic index’ effect on cardiovascular disease (CVD) and diabetes and found that low glycemic diets did not improve insulin sensitivity or cardiovascular risk factors. These findings are published in JAMA on December 17, 2014.

“The study results were very surprising. We hypothesized that a low glycemic index would cause modest, though potentially important improvements in insulin sensitivity and CVD risk factors,” explained Frank M. Sacks, MD, a physician and researcher in BWH’s Channing Division of Network Medicine BWH and lead author of this study. “Our findings demonstrated that using glycemic index to…

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