Study: High Blood Pressure in Blacks Not Genetic

Study: High Blood Pressure in Blacks Not Genetic
Mon Jan 17, 2005 03:29 PM ET

NEW YORK (Reuters Health) – A number of studies have shown that African Americans are more likely than Caucasians to have high blood pressure. Although genetic factors are often blamed, new research suggests that this racial gap is largely due to environmental — and potentially preventable — factors.
The new study compared the rates of high blood pressure (hypertension) between black and white subjects in different populations.

For blacks, populations in Nigeria, Jamaica and the US were studied, while for whites, populations in the US, Canada and five European countries were studied.

If racial origin played a major role in high blood pressure, then rates of the condition for each race would be expected to be about the same regardless of where people lived. Instead, the researchers found wide variation in rates, ranging from 14 percent for blacks in some geographic regions to 44 percent in other places. For whites, the rates ranged from 27 percent to 55 percent depending on where people lived.

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