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Vitamin C linked to kidney stones: study

Published: 05 Feb 2013 11:06 GMT+01:00

The study, carried out at Stockholm's Karolinska Institue and published in the JAMA Internal Medicine scientific periodical, points to a clear link between vitamin C supplements and kidney stones.

"As with all research, the results should be corroborated by other studies for us to be really sure," study leader Agneta Åkesson, Associate Professor at the Karolinska Institute's Institute of Environmental Medicine, said in a statement.

"Nor can we say anything about whether women run the same risk as men. But given that there are no well-documented benefits of taking high doses of vitamin C in the form of dietary supplements, the wisest thing might be not to take them at all, especially if you have suffered kidney stones previously."

The study was carried out over eleven years and focused on over 23,000 men living in the Västmanland and Örebro counties who had no history of kidney stones. The men either took no dietary supplements or only vitamin C.

Over that time period, 436 men developed kidney stones that required medical attention.

The study indicates that men who take vitamin C supplements are twice as likely to develop kidney stones as men who do not take any dietary supplements at all.

The study was made possible by a grant from the Swedish Research Council.

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Your comments about this article

13:16 February 5, 2013 by Rishonim
Those researchers are bored. Back in the days they suggested one should eat seven slices of bread a day. Last week they said that drinking coke and coffee could help reduce some heart disease or something. Now this. I think people should never read anything the so called expert tell them and just dance with chance....
17:28 February 5, 2013 by Svensksmith
Other, more likely causes are:

Dietary factors that increase the risk of stone formation include low fluid intake and high dietary intake of animal protein, sodium, refined sugars, fructose and high fructose corn syrup,oxalate, grapefruit juice, apple juice, and cola drinks.
04:51 February 8, 2013 by kidneyguy
Having kidney problem, especially kidney stone, is a pain. Generic supplement is also not good for the long run to cure this disease. Let's opt for a healthier lifestyle and eating habit by eating more fruits and regular exercises. Here is more info on kidney stone and how to cure it the natural way:

http://tinyurl.com/ab4dxfm
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