In a large 4-country study (4,680 persons), people who ate the most vegetable protein had lower blood pressures than those with a higher animal protein diet after adjusting for possible confounders such as weight. This finding is consistent with the recommendations that a diet high in plant-based foods be part of healthy lifestyle for prevention of high blood pressure and related diseases.

Source: Archives of Internal Medicine (Jan. 9, 2006), 166:79-87.