=+2.8 Does living in the South cause high blood pressure? Data from a group of 6278 whites

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=+2.8 Does living in the South cause high blood pressure?

Data from a group of 6278 whites and blacks questioned in the Third National Health and Nutritional Examination Survey between 1988 and 1994 (see CNN.com web site article of January 6, 2000, titled “High Blood Pressure Greater Risk in U.S. South, Study Says”) indicates that a

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