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Scientists enroll 500 healthy adults in a study and collect dietary and other lifestyle information about the group. after 6 years, the scientists determine that study participants who ate at least 5 servings of fruits and vegetables daily were less likely to develop high blood pressure than participants who ate fewer than 5 servings of these foods daily. this study is an example of a(n) study.
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Scientists enroll 500 healthy adults in a study and collect dietary and other lifestyle information...
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