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Dialysis Discussion => Dialysis: News Articles => Topic started by: okarol on June 06, 2011, 02:28:52 PM
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May 30, 2011
The Claim: A Diet High in Protein Is Bad for Your Kidneys
By ANAHAD O’CONNOR
THE FACTS
Anyone who has tried a high-protein diet has probably heard this warning: You may lose weight, but you risk kidney damage.
The idea is that processing large amounts of protein strains your kidneys, which filter blood and remove waste. But there is little research backing that assertion.
In one study, in The International Journal of Sport Nutrition and Exercise Metabolism, researchers recruited bodybuilders and other athletes, then examined their kidney function over seven days as they followed high- and medium-protein diets. The researchers found that every marker of kidney function was within the normal range in all of the athletes who consumed large amounts of protein.
In a much larger study, published in The Annals of Internal Medicine, researchers looked at protein intake in 1,624 women over an 11-year period. They found that high-protein diets did not cause any problems in women with normal kidney function. But in women who had “mild renal insufficiency,” they wrote, consuming large amounts of protein accelerated renal decline. University of Connecticut researchers reached a similar conclusion when they reviewed years of research on the subject in a 2005 report in the journal Nutrition & Metabolism.
For those considering such a diet, a physical and a kidney function test can reveal any underlying problems.
THE BOTTOM LINE
Studies show that in healthy adults, increased protein intake does not put excess strain on the kidneys.
ANAHAD O’CONNOR
scitimes@nytimes.com
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Good!