Study challenges "carb counting" in diabetes (Reuters)

Friday, March 11, 2011 4:01 PM By dwi

NEW YORK (Reuters Health) – How whatever carbs you take strength be inferior essential for your murder dulcify than your food's glycemic load, a manoeuvre that also takes into statement how apace you absorb those carbs.

That's the conclusion of a newborn think of flourishing adults, which questions the artefact grouping with identify 1 diabetes watch how much insulin they should verify before meals.

In identify 1 diabetes, which affects most 3 million Americans, the pancreas doesn't display sufficient amounts of the hormone insulin, which helps transport dulcify from the murder into cells. So grouping with the disease are apace overwhelmed when the dulcify in their matter hits the bloodstream.

To refrain the chanceful murder dulcify surge, diabetics dispense insulin before a nutrition -- usually based on how whatever carbohydrates they will be downing.

But the newborn study, by Jiansong Bao at the University of Sydney in state and colleagues, hints the sort of carbs lonely strength not be the prizewinning artefact to go.

Instead, the so-called glycemic load of a food, which also takes into statement how apace it makes the murder dulcify rise, strength impact better. Foods with solvable fiber, such as apples and pronounceable oats, typically hit a low glycemic index, one of the contributors to glycemic load.

The researchers took finger-prick murder samples from 10 flourishing teen grouping who ate a total of 120 assorted types of matter -- every with the aforementioned calorie content. They also had two groups of volunteers take meals with different staples from the Western diet, such as cereal, bread, eggs and steak.

The glycemic load repeatedly trumped the carb calculate in predicting the murder dulcify and insulin uprise after a meal.

"It suggests that the methods utilised to set carbs in persons with identify 1 diabetes strength goodness from whatever rethinking," said Dr. prince J. Boyko, a diabetes expert at the University of Washington in Seattle who wasn't involved in the study.

But he said it wasn't destined the findings would stop up in grouping who aren't completely healthy.

"In the U.S., 60 proportionality of grouping are overweight or obese so we don't know how the results would apply to them or to persons with diabetes," he told Reuters Health.

The glycemic load is calculated by multiplying the amount of carbs in grams per bringing by the food's glycemic finger divided by 100. The glycemic finger for a variety of foods crapper be institute at http://www.glycemicindex.com/.

Foods with a low glycemic finger drive the murder dulcify to uprise slowly, and so put lowercase pressure on the pancreas to display insulin.

Writing in the dweller Journal of Clinical Nutrition, the researchers say their findings also suggest that eating foods with broad glycemic loads could be linked to chronic disease same identify 2 diabetes - which does not order insulin injections -- and hunch disease by raising murder dulcify and insulin levels.

But that is not country from the study, which exclusive looked at murder dulcify and insulin changes up to two hours after a meal, said Boyko.

"It would meet be speculation whether a dietary change same this would help grouping with identify 2 diabetes," he told Reuters Health.

Long-term effects and other nutrients in the matter strength also be essential for disease risk, for instance. And the most essential difficulty remains pure and simple overeating, according to Boyko.

"The excess weight is the main abstract we ought to focus on," he said. "The simplest communication would be, take less."

SOURCE: http://bit.ly/dYj8jN dweller Journal of Clinical Nutrition, online Feb 16, 2011.


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