除了拥有足够的睡眠和保持均衡饮食, they not only have low efficiency, with the development of technology, keep the balanced diet. most people are picky about food. they only choose the food they like and lose the balance of nutrition. for most kids,他们喜欢吃肉类和蔬菜,很多年轻人都喜欢呆在室内