Bananas are great. They taste delicious and tasty. Bananas help with vitamin balnce.carbohydrates, and proteins. too many bananas can cause nerve damage and headaches. Bananas have many nutrients,. They have alot of vitamins protein, and magneisum. if you have to little your bodies vitamin balance could mess up and not have enough protein. The definition of bananas a long curved friuit that growsin clusters and has soft pleshy flesh and yellow skin when ripe.