Chocolate linked to low blood pressure

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Eating dark chocolate may be almost as effective at lowering blood pressure as taking the most common anti-hypertensive drugs, a review of studies has found. Tea, on the other hand, appears to be ineffective. The article says a diet rich in fruits and vegetables is healthy partly because plants contain chemical substances called polyphenols that help control blood pressure. From more than 3,000 papers, researchers picked the largest randomized and controlled prospective studies and used statistical techniques to combine the data. It appears in the April 9 issue of The Archives of Internal Medicine.