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This study reports on the taste for salt among patients with gastric, colon, or rectal cancers and among population controls, within the scope of an investigation on those cancers in two Belgian provinces. Among people who systematically added salt to their food, the relative risks observed were as follows: 1.78 for gastric cancer, 1.53 for colon cancer, and 1.74 for rectal cancer. Even though all three were statistically significant, these increases are moderate and may be due to interaction with other, as yet unknown casual factors.
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Albert J. Tuyns (1988) studied this question.
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