For years, researchers were puzzled by the fact that, despite consuming a diet rich in fat, the French have a lower incidence of heart disease than Americans.

多年以来，研究人员都无法解释这个事实，尽管法国人的日常饮食富含脂肪，但是心脏病的发病率却比美国人低。

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The study found that women who were randomly assigned to follow a low-fat diet ate significantly less fat over the next eight years.

研究发现那些随机抽取安排服从低脂肪饮食的女性在紧跟着的八年脂肪摄入量明显减少。

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