According to the book, 'Healing Foods' by DK Publishing House, "potatoes are high in chlorogenic acid and anthocyanins, chemicals that help to lower blood pressure. The polyphenol in purple potatoes may also help." Additionally, potatoes are also a good source of potassium.
What potatoes are good for high blood pressure?
The researchers concluded that purple potatoes are an effective agent for lowering blood pressure and thereby lower the risk of heart disease and stroke in patients with high blood pressure.
Why do potatoes raise blood pressure?
“Potatoes have a very high glycemic index, which means that after a meal, there is this increase in blood glucose, which is a precursor to hypertension,” explained Dr. Lea Borgi, a physician at Brigham and Women's Hospital and one of the study's authors.
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