人们为了长寿,为了使自己的体态匀称,轻率地用自己的机体去试验各种各样的饮食制。近二三十年来,先后出现过蛋白质饮食制、无盐饮食制和无水饮食制等等。人们对素食制也颇感兴趣。狂热信奉素食制的人断言,一切疾病都是由于吃动物食品造成的。在非洲和东南亚的一些国家里,有不少热烈爱好素食制的人。比如,印度有些信徒甚至在快要饿死的时候也不喝牛奶,不吃鱼、蛋,更不用说吃肉了。素食制也曾一度风靡欧洲,19 People in order to longevity, in order to make their physique symmetrical, frivolous with their own body to test a variety of diet. Nearly three or three decades, has appeared in the protein diet, salt-free diet and anhydrous diet system and so on. People are also interested in vegetarianism. Fanatic vegetarians assert that all diseases are caused by eating animal food. In some countries in Africa and Southeast Asia, there are many people who love vegetarianism enthusiastically. For example, some believers in India do not drink milk, eat fish or eggs, let alone eat meat, even when starving. Vegetarian food was once popular in Europe, 19