Bananas help overcome depression due high levels of tryptophan, which is converted into serotonin the happy-mood brain neurotransmitter. Eat two bananas before a strenuous workout to pack an energy punch and sustain your blood sugar. Protect against muscle cramps during workouts and night time leg cramps by eating a banana. Bananas are high in antioxidants, providing free radicals and protection from chronic disease. Eating bananas helps prevent kidney cancer, protects the eyes against macular degeneration and builds strong bones by increasing calcium absorption. Counteract calcium loss during urination and build strong bones by supplementing with a banana. Bananas reduce swelling, protect against type II diabetes, aid weight loss, strengthen the nervous system, and help with the production of white blood cells, all due to high levels of vitamin B-6. Strengthen your blood and relieve anemia with the added iron from bananas. Bananas are a natural antacid, providing relief from acid reflux, heartburn and GERD. Eating a banana can lower the body temperature and cool you during a fever or on a hot day. The natural mood-enhancer tryptophan, helps to relieve Seasonal Affective Disorder (SAD).Rub the inside of a banana peel on your leather shoes or handbag and polish with a dry cloth for a quick shine.