In the countryside, we often hear an old saying: Don't sit on a tree in summer, and don't sit on a stone in winter. What does this sentence mean? Quite simply, there are often all kinds of wooden benches and stone benches on both sides of rural streets. In winter, no matter how sunny the sun is, the stone bench feels a little hot, and no one will sit on it. In summer, people enjoy the cool under the trees, there is no room for stone benches, and wooden benches are idle, so rural people will not sit on them even if they stand. So what is the basis for sitting on trees instead of stones in winter?

Although the temperature is high in summer, because it often rains, the air humidity is also very high, and the water absorption of wood is particularly good. Wood will become very wet if it is kept in a humid environment for a long time. Sometimes the surface of the wooden stool feels dry, but after sitting for a while, you will find that your pants are wet. In fact, there is still water in the wooden stool. When people sit on wet wooden benches for a long time, moisture will enter people's bodies, leading to rheumatism and skin diseases. Especially outdoors after the rain, try to sit on the wet wooden stool as little as possible.

It is very cold in winter, in fact, it is in the north. In winter, the outdoor temperature is a few degrees below zero, and the stone bench placed outside all the year round is particularly cold. This kind of stone is very conductive. When people sit on a stone for a few seconds, they will feel the cold of the stone spread to the human body, which is particularly unfavorable to the human body, especially in the cold winter. Sedentary will also affect the kidneys, liver and other organs, making the body uncomfortable. So few people sit on stone benches in winter, which is the reason.

This proverb just tells us not to be greedy for cold. Especially for people who enjoy the cool outdoors in summer, the elderly can carry a thin cushion and should not sit on the wooden chair J for a long time after the rain, otherwise it will easily induce rheumatism. The idea of health care contained in the sentence "Don't sit on a tree in summer, don't sit on a stone in winter" is not limited, but just focused. Climate change, people's daily life will also change, people's physique will also change, interlocking, medical care will also change from time to time! Everything in the world will decline for a long time, and it will flourish for a long time.