Glycemic Index News and Research

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The glycemic index, glycaemic index, or GI is a measure of the effects of carbohydrates on blood sugar levels. Carbohydrates that break down quickly during digestion, releasing glucose rapidly into the bloodstream, have a high GI; carbohydrates that break down more slowly, releasing glucose more gradually into the bloodstream, have a low GI.

Omega-3 fatty acids prevent and slow age-related macular degeneration

Researchers are seeing more benefits of omega-3 fatty acids (omega-3s), such as their ability to help prevent and slow age-related macular degeneration (AMD), an eye disease that is the leading cause of severe vision loss in older people.

30 Sep 2009

Study investigates links between acne, diet and mental health issues

Zits, pimples, bumps and blemishes are a young person's worst nightmare. Collectively they are known as acne, a very common skin condition that affects millions of adolescents. Now a Norwegian study published in the open access journal BMC Public Health has investigated the links between acne, diet and mental health issues in both males and females.

15 Sep 2009

Nutrisystem D program helps overweight type 2 diabetic people lose weight

Results from a clinical study conducted at the Temple University School of Medicine and published today in the journal Postgraduate Medicine(1), show that a pre-packaged, portion controlled meal plan helped overweight individuals with type 2 diabetes lose significantly more weight and reduce their A1C test scores (a 90-day measure of blood sugar control) by almost a full point greater than those following a standard hospital-based diabetes support and education program, according to the findings.

9 Sep 2009

Nutrisystem's 28-Day program maintains an affordable per-meal cost

Nutrisystem, Inc., a leading provider of weight management products and services that are delivered directly to the customers' doors, announced today that its popular 28-Day Nutrisystem Select program now includes an additional week of delicious fresh-frozen entrees - all for the same low monthly cost.

20 Aug 2009

How ‘high carb’ foods cause heart attacks

It has been commonly known for a number of years that certain foods, such as white bread and corn flakes, are bad for cardiac health, but new research from Israeli scientists shows just how 'high carb' foods cause heart attacks.

28 Jun 2009

Omega-3 fatty acids may protect against progression of age-related macular degeneration

Omega-3 fatty acids found in fatty fish such as tuna and salmon may protect against progression of age-related macular degeneration (AMD), but the benefits appear to depend on the stage of disease and whether certain supplements are taken, report researchers at the Laboratory for Nutrition and Vision Research (LNVR), Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University.

18 Jun 2009

New series of free talks on how to eat healthier

A new series of free talks on how to eat healthier, reduce stress, stop smoking and manage medication highlight the "Got Health?" series sponsored by the Center for Community Health and feature experts from the University of Rochester Medical Center.

26 Apr 2009

Review identifies dietary factors associated with heart disease risk

A review of previously published studies suggests that vegetable and nut intake and a Mediterranean dietary pattern appear to be associated with a lower risk for heart disease, according to a report published in the April 13 issue of Archives of Internal Medicine.

13 Apr 2009

'Low-carb' best diets for type 2 diabetes

In a six-month comparison of low-carb diets, one that encourages eating carbohydrates with the lowest-possible rating on the glycemic index leads to greater improvement in blood sugar control, according to Duke University Medical Center researchers.

5 Jan 2009

Low-glycemic foods better for glycemic control than high-fiber

Persons with type 2 diabetes who had a diet high in low-glycemic foods such as nuts, beans and lentils had greater improvement in glycemic control and risk factors for coronary heart disease than persons on a diet with an emphasis on high-cereal fiber, according to a study in the December 17 issue of JAMA, the Journal of the American Medical Association.

16 Dec 2008

Refined carb diet increases risk of common diseases

Eating foods the body quickly converts into blood glucose - such as highly processed breakfast cereals and most white breads - leads to a greater risk of diabetes, heart disease and some types of cancer.

9 Mar 2008

Rockefeller University funds clinical, translational pilot studies

The Rockefeller University Center for Clinical and Translational Science (CCTS) has announced the recipients of its 2008 Pilot Project grants.

8 Jan 2008

Fructose overload

Here's one tip for how to eat at the holidays: Don't take your cues from Santa. The sugary cookies and fat-laden fruitcakes the mythical North Pole resident eats are a no-no.

13 Dec 2007

High-glycemic index carbs linked to greater type 2 diabetes risk in Chinese and African-American women

Eating foods high on the glycemic index, which measures the effect of carbohydrates on blood glucose levels, may be associated with the risk for developing type 2 diabetes in Chinese women and in African-American women, according to two studies in the November 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

27 Nov 2007

Fertility diet

Women who followed a combination of five or more lifestyle factors, including changing specific aspects of their diets, experienced more than 80 percent less relative risk of infertility due to ovulatory disorders compared to women who engaged in none of the factors, according to a paper published in the November 1, 2007, issue of Obstetrics & Gynecology.

1 Nov 2007

What constitutes healthy eating? focus of Harvard Heart Letter

In its first-ever single-topic special issue, the Harvard Heart Letter focuses on nutrition.

24 Oct 2007

Eating fewer refined carbohydrates may slow the progression AMD

Eating fewer refined carbohydrates may slow the progression of age-related macular degeneration (AMD), according to a new study from researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University.

9 Oct 2007

High blood levels of C-reactive protein may be linked to increased risk of age-related macular degeneration

High blood levels of C-reactive protein, a substance linked to inflammation, appear to be associated with an increased risk for age-related macular degeneration, according to a report in the October issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

9 Oct 2007

Effects of good and bad carbohydrates

The latest common wisdom on carbohydrates claims that eating so-called "bad" carbohydrates will make you fat, but University of Virginia professor Glenn Gaesser says, "that's just nonsense."

29 Sep 2007

New research on glycemic index

In work investigating the reproducibility of glycemic index values, researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (USDA HNRCA) have reported that multiple glycemic index value determinations (measure of the rate of glucose absorption into the bloodstream) using a simple test food, white bread, resulted in a relatively high level of inter-individual (among different individuals), and intra-individual (within the same individual) variability.

27 Sep 2007