有研究追踪了超过90,000名年龄在50到79岁的女士，历时11年，想要看看她们的饮食如何影响患中风的危险。

A group of over 90,000 women, ages 50-79, was tracked for 11 years to see how their diets predicted their stroke risk.

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随后他们被追踪调查了好几年，在这期间有1248例被确诊患结直肠癌，并与另外1248例健康受试者配对研究。

The subjects were then tracked for several years, during which time 1,248 cases of colorectal cancer were diagnosed and these were matched to 1,248 healthy controls.

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