T he banana is one of the most widely cultivated and consumed fresh fruits worldwide. It tastes pleasantly sweet and is very healthy with their vitamins and minerals. Bananas have a regulating effect on the digestion and, in addition, contain the hormone of happiness, serotonin. For most babies, the mashed bananas are often the first solid food after breast milk. Indeed, from childhood we wonder why are bananas curved! I t is quite easy to explain why bananas are curved. Bend shape is actually due to how they grow. Contrary to the idea that one has, bananas do not grow downward but upward.