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The aged Yan health
As the old man said, if you eat dirty, you won't get sick. This is a truth. The human body is actually connected with the outside world, and it is not completely spotless. There are many foreign bodies in the human body, such as bacteria, which are beneficial to the human body. If there are no bacteria, the human body will lose its normal operation, its resistance will drop, and it is easy to get sick. Although invisible to the naked eye, there are actually countless bacteria living in the human body, most of which are harmless to the human body, and many of them are also very beneficial to the human body.

1. If you eat too clean, there will be bacterial imbalance in your body. If you are too particular about eating, wash it with water before eating, and then cook it in a pot. You must be completely free of bacteria, and you must never eat so-called unhealthy food, such as dried plums or fermented bean curd. In the long run, there will be fewer and fewer beneficial bacteria in your body, your body function will get worse and worse, and your body will easily get sick. This situation is quite common in reality. The better the conditions, the easier it is for children at home to get sick, while children who run outside all day are often covered in mud, but they are in good health.

2. The human body is not always healthy. If you always eat clean and never get sick, then your body will lack resistance, which is not conducive to long-term health. The corresponding antibodies can be obtained after the human body is sick. So sometimes getting sick is not a bad thing, it can make the human body gain long-term resistance.

Life is like this, we should not pay too much attention to it, not only in diet, but also in many aspects. No matter what you do, you can't be serious, but you can't be too serious. It is also good for people to live a rough life, which can keep fit. There are many such examples in real life. The more refined they are, the worse their health is. Some people love cleanliness, but their physical fitness is not good. When they changed their habits, they ate everything and were not picky about food, and their bodies gradually became stronger.