High blood pressure is a significant risk factor for aortic stiffness or hardening of the arteries. A 2018 study in Nutrition found that foods such as brown rice, quinoa, wheat berries, amaranth, and millet may help prevent this condition even in cases of chronic overeating. Research shows phytochemicals and soluble fiber in these foods may lower the risk of developing hypertension by several mechanisms. A diet that includes whole grain foods is also linked with a lower risk of cardiovascular disease.

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