If you asked most people why eating bananas is good for them, the most common reply would be that they are rich in potassium.
Whilst this is true, it is also important to understand exactly why we need potassium in the first place.
Potassium is a vital nutrient because it helps to regulate your blood pressure, which is what helps to keep your heart functioning correctly.
Our bones also need this potassium as it helps to reduce calcium excretion, which is how bananas help to reduce the risk of developing osteoporosis and help to keep bones strong the older we get.