Bananas have competition for a place on the blood pressure menu. Five fruits contain more potassium by weight: avocado, guava, jackfruit, dried apricots and raisins. That matters because potassium helps the kidneys excrete sodium, a process that can lower blood pressure as part of an overall healthy diet.The comparison needs context. Per 100 grams, a banana has about 358 milligrams of potassium; a...More