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Green tea extract may prevent kidney stones

November 23, 2009 12:00:00 AM PST
Drinking green tea could help kidney stones from forming.A new study shows compounds in green tea extract may make it more difficult for certain kidney stones to form.

Chinese researchers found that green tea extract bonds to calcium oxalate and makes the resulting crystals a different shape.

Therefore, they're less likely to clump together and form large kidney stones.

Kidney stones affect about five percent of the world's population.


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