这里说的青菜是指人们常吃的各种蔬菜的总称。一个人一段时间不吃蛋和肉,不会对身体有多大影响,但是长期不吃蔬菜,人就会很不适应、甚至引起疾病。谚语说:“多吃青菜人平安,不用医生开药方”,这是很有科学道理的。那么,多吃蔬菜对人体健康有什么好处呢? 第一,只有多吃蔬菜,才能维持体内正常的酸碱平衡。在正常情况下,血液和人体中的其它液体基本上都是接近中性稍偏碱性。也就是说,人体细胞生活在中性而略偏碱性的环境中。人们吃进去的食物,经过消化、吸收和代谢,最后剩下的代谢产物会使血液向酸性或碱性方面变化。粮食、豆类、 Greens here is that people commonly eat a variety of vegetables. A person who does not eat eggs and meat for a period of time will not have much impact on the body. However, if people do not eat vegetables for a long time, they will not be able to adapt to them or even cause illness. Proverb said: “Eat more vegetables people safe, no doctor prescribed” This is a very scientific reason. So, what are the benefits of eating more vegetables on human health? First, only eat more vegetables to maintain normal body acid-base balance. Under normal circumstances, the blood and other liquids in the human body are basically close to neutral slightly alkaline. In other words, human cells live in a neutral and slightly alkaline environment. People eat food, after digestion, absorption and metabolism, the last remaining metabolites will make the blood to acidic or alkaline changes. Food, beans,