Can Potassium Reverse High Blood Pressure?

"Good potassium sources include fruits, vegetables, dairy foods and fish. Foods that are especially rich in potassium include potatoes and sweet potatoes, fat-free milk and yogurt, tuna, lima beans, bananas, tomato sauce and orange juice. Potassium also is available in supplements. However, most potassium supplements come in dosages of 50mg . To get your daily 5 grams, you would need to take 100 pills."

Link: http://www.theatlantic.com/international/archive/2011/03/can-data-predict-political-revolutions/71743/