First, the elderly in rural areas often do manual labor, so that their bodies are exercised and their resistance is better. Old people in rural areas often work when they are young, and they all do manual work. When they are old, they still insist on working. Because of this, their bodies have been exercised. Unlike city people who have to sit all the time at work, they can't get physical exercise. It is precisely because they often work, their bodies are stronger and their resistance is better, so they usually seldom get sick and are easy to live a long and healthy life.
Second, the rural elderly often contact some unclean things, so their body immunity is good. We will find that some parents will clean their homes and even use equipment such as air purifiers when raising their children, but even so, it is easy for children to catch a cold and get sick when they go out. However, some parents make the house dirty and messy, and they don't pay much attention to the hygiene at home, so the children they raise are not easy to get sick.
The reason why this happens is because children are exposed to more germs, so they have resistance and are not easy to get sick. The same is true for the elderly in rural areas. They don't pay much attention to hygiene when eating. They are often exposed to those germs, so their bodies have certain immunity, so they are less likely to get sick and are more likely to live a long and healthy life.
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