Bananas are a favorite fruit among many, but the benefits go well beyond this tasty yellow snack.  For those who love bananas, they are known to lower blood pressure, and boost sexual performance.   Bananas also help your body get rid of excess water weight, minimizing your stomach area. The biggest health benefit of bananas, however, comes from its high potassium content.  This yellow fruit boasts, 400 milligrams per serving.