低盐低蛋白饮食允许每天摄入盐2,900毫克，美国心脏学会推荐的最大量是2,400毫克。而且人们每天只能摄入四分之三盎司的肉，和一盎司多一点的奶酪或其它乳蛋白。?     
 
    The American Foundation for Urologic Disease does not mention a low-calcium diet on its Web page about kidney stones, but does say a doctor may suggest a low-meat, low-salt diet. The National Kidney Foundation's Web page says a doctor may suggest either diet, depending on test results.

    Health care for kidney stones added up to $1.8 billion in 1993, according to the National Institute of Diabetes and Digestive and Kidney Diseases. Drinking 10 to 12 big glasses of water during the day can keep stones from forming and push out those smaller than a pea. 

    美国泌尿系统病基金会在它的网页上尚没有提及低钙饮食和肾结石关系，但该网页说医生应推荐低肉低盐饮食。全国肾脏基金会的网页说医生应根据检验结果推荐饮食。
 
    据全国糖尿病、消化和肾病研究所介绍，用于肾结石的医疗保健费用在1993年就达到180亿美元。一天中喝10至20大杯水能阻止肾结石的形成，排出比豌豆还小的肾结石。
 

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