An occasional watery stool may be due to a mild digestive problem.
偶然便便较水状可能是轻微的消化问题。
And the associated risk of cancer in the digestive system may be more of a dietary problem too much fat and a lack of fiber than a weight problem.
消化系统癌症的相关风险可能更多的是饮食问题，即脂肪过多和缺乏纤维素，而不是体重问题。
So Kevin Hall and his colleagues at the National Institute of Diabetes and Digestive and Kidney Diseases, in Bethesda, Maryland, decided to look at the problem in a new way.
因此凯文•豪尔和他所在国家糖尿病、消化和肾脏疾病研究所（马里兰州比色达）的同事们决定用新的方法来研究这个问题。
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