Mother Nature?s perfect snack that requires no preparation, no washing or refrigeration. Since they are easily digestible, they are often served as babies? first food. Women suffering from PMS can get a healthy serotonin rush by consuming a banana. Bananas help build a shield against heart disease. They are packed with potassium that helps fend off high blood pressure. In short, the goodness of bananas battles cancer, heart diseases, high blood pressure, kidney stones, premenstrual syndrome and strokes.