Is there a scientific basis for the sentence "Spring is tender and autumn is frozen"?

Folk proverb: no clothes in spring, no hat in autumn.

Spring does not cover the head, and spring does not show the back.

Spring covers and autumn freezes, and all diseases are not touched.

"Spring cover" refers to spring, and the temperature has just warmed up. Don't take off your cotton-padded clothes too early. After wearing cotton-padded clothes for several months in winter, the regulation of body heat production and radiation is in a relatively balanced state with the ambient temperature in winter. From winter to early spring, it is warm and cold, and the temperature changes greatly. As the saying goes, "In spring, a child's face changes three times a day". If you take off your cotton-padded clothes too early, it will be difficult to adapt once the temperature drops, which will reduce your body's resistance. Bacteria attack the body, which is easy to cause various respiratory diseases and infectious diseases in winter and spring.

"Autumn freezing" means that the temperature is slightly cold in autumn, so don't add too many clothes too early. Proper cool stimulation is helpful to exercise cold tolerance. After a certain period of exercise in an environment with gradually decreasing temperature, it can promote the body's material metabolism, increase heat production and improve its adaptability to low temperature. By the same token, when the seasons begin to change, the temperature is still unstable and the summer heat has not subsided. Add too many clothes too early. Once the temperature rises, it is easy to catch a cold and catch a cold.

Of course, everything has a degree, and "freezing in spring and freezing in autumn" does not rule out changes according to the temperature. People's body temperature should always be around 37 degrees Celsius. On the one hand, we must rely on self-regulation, and at the same time, we must rely on increasing or decreasing clothes to help. If people still cover a lot or wear too thin in late spring and autumn, such a "spring and autumn freeze" will go too far.

Take care of yourself and listen to the ancients, hehe.

There is a scientific reason for "spring covers autumn and freezing".

"Spring covers and autumn freezes" is a folk health-preserving proverb in China. It is scientific to analyze it from the perspective of climatology.

Although spring and autumn are both transitional seasons, there are still differences. In China, March-May is usually called spring, and September-165438+1October is called autumn. The average maximum temperature in spring is higher than that in autumn; The average minimum temperature in autumn is higher than that in spring.

This shows that although the daytime temperature is higher in spring, it is still lower in the morning and evening. In addition, spring is a recovery period, and the indoor temperature does not rise as fast as that outside, so it is very hot outside in spring, but it is cooler when you enter the room. On the other hand, autumn is a cool season. Although the outdoor temperature has dropped, the indoor temperature is still relatively warm.

Therefore, if you don't "cover" it in spring and take off your cotton-padded coat in case it gets hot, you may not be able to fully adapt to the temperature in the morning and evening and indoors. Therefore, I advise you not to take off your cotton-padded clothes too early and cover them for a while, which is beneficial to health care in spring. Autumn is "not cold". When it is cold, clothes are added, which is not suitable for indoor temperature. Because autumn has just turned cold and the cold days are still behind, it is also helpful to wear less clothes and improve the cold resistance and resistance.

In spring, cold air from the north will continue to invade China, and its frequency and intensity are higher than those in autumn. In order to adapt to frequent temperature changes and strong winds, clothes in spring are warmer than those in autumn.

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* "Spring covers autumn and freezing" is a health-preserving proverb, which is the experience of people's health care. There is a certain scientific reason, which is more positive for infants with immature body systems.

"Spring covering" means that in spring, when the temperature is just getting warmer, don't take off your cotton-padded clothes too early, so that the heat generation and cooling regulation of your body are in a relatively balanced state with the environmental temperature in winter. From winter to early spring, it is warm and cold at first, and the temperature changes greatly. As the saying goes, "Spring covers your face three times a day." Take off your cotton-padded clothes too early. Once the temperature drops, a sudden attack on the baby's nervous system and thermoregulation center will make it unprepared and difficult to adapt, thus reducing the body's resistance. At the same time, germs multiply in spring, take advantage of it and invade the baby's body, which is easy to cause various respiratory diseases and infectious diseases in winter and spring.

"Autumn freezing" means that in autumn, when the temperature is slightly cold, don't put too many clothes on your baby too early. In hot summer, people's body temperature regulation center does everything possible to increase heat dissipation, reduce heat production and prevent heatstroke. In cool autumn, the thermoregulatory center can slow down, which is more acceptable to it and produces comfort. Proper cool stimulation helps to exercise the baby's cold tolerance, which is called "low temperature acclimatization". That is to say, in the environment where the temperature is gradually decreasing, after a certain period of exercise, the metabolism of substances in the body can be promoted, the heat production can be increased, and the adaptability to low temperature can be improved. Similarly; When the seasons begin to change, the temperature is often unstable, the autumn wind blows, and the summer heat has not subsided. Dress the baby too early. Once the temperature rises, it is easy to catch a cold and catch a cold.

Of course, there is a limit to everything. "Spring and autumn freeze" does not rule out changing clothes for your baby in time according to the weather changes. People's body temperature should always be kept at around 37℃, on the one hand, through self-regulation, and at the same time, through increasing or decreasing clothes to ensure. If the baby is still covered too much or too thin in the late spring and autumn, such "covering the spring and freezing the autumn" is too much. March and 1 1 month are the high incidence seasons of baby's respiratory diseases. This has a lot to do with the great change of temperature and improper adjustment of clothes.

According to the traditional concept of our country, we are always afraid of the baby freezing, not so afraid of covering it, thinking that the baby is delicate, has low cold resistance, loves to get sick with cold, and does not pay attention to actively enhancing the baby's cold resistance. In fact, the more you cover up, the more you like catching a cold and getting sick. Within a certain range, it is better to wear less than more.

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There is some truth in "covering spring and freezing autumn", but only joints can't "freeze autumn"

In late autumn, the weather turned cold, and the number of arthritis patients admitted to major hospitals in Xi 'an began to increase. Because the peripheral nerves around the joints are particularly sensitive to the changes of temperature and air pressure, the chief physician of the Department of Osteoarthrosis of the Fifth Hospital of the city reminded us to keep the joints warm in the alternate season of autumn and winter to prevent the onset and recurrence of arthritis.

■ "Spring covers autumn and freezing" is not good for joints.

65438+1October 12 is World Arthritis Day. Relevant data show that the total incidence of arthritis in China is about 13%, including osteoarthritis, rheumatoid arthritis and traumatic arthritis. According to the health care experience of "covering spring and freezing autumn", many people consciously wear less clothes in autumn. Director Xiao pointed out that "spring freezing and autumn freezing" has some truth, but it can't be "autumn freezing" for joints, because cold joints will lead to poor blood circulation around joints, changes in local capillaries and tissues of joints, and release some inflammatory substances, which will make nerve endings feel sore or suffer from arthritis. Among them, osteoarthritis can cause muscle pain, inflammation or mobility inconvenience. Rheumatoid arthritis can invade articular membranes, cartilage tissues and bones, and its main symptoms are inflammation, including joint congestion, fever and pain. Traumatic joint pain is due to some accident or accident, which leads to joint pain such as shoulder, wrist, elbow and knee without fracture.

■ Joint warmth and proper exercise

Director Xiao reminded that the main way to keep joints warm in autumn is to add clothes properly, instead of wearing knee pads and elbow pads. Because the air permeability and mobility of knee pads and elbow pads are not as good as ordinary clothes, especially for the elderly with arthritis, it is not conducive to blood circulation in joint parts. Taking a hot bath or soaking in a hot bath before going to bed at night is helpful to relieve joint muscle stiffness. When doing outdoor activities, we should not only keep warm, but also pay attention to controlling the amount of exercise. People with poor joints had better choose light exercise with low impact, such as walking, playing Tai Ji Chuan, and moving waist, buttocks or limbs in situ. In addition, due to the decrease of sunshine in autumn, vitamin D needed by human body needs to be synthesized in vivo with the participation of ultraviolet rays in sunlight. Therefore, it is best to bask in the sun more every day to enhance the human body's ability to synthesize vitamin D, promote the absorption of calcium and phosphorus in the intestine, and promote the normal calcification of bones. Pay attention to diet, and get enough protein and calcium, such as milk, soybeans and other foods.

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In the spring and autumn season, it is necessary to "cover the spring and freeze the autumn". Chinese medicine believes that human poplin is in a state of convergence in winter to resist the cold. In spring, skin pores turn into perspiration and heat dissipation. At this time, if the clothes are suddenly reduced, it is easy to get sick when you catch cold. From the meteorological point of view (external cause), this paper further expounds the reasons why it is a transitional season and the temperature is changeable, but it will freeze in spring.

It turns out that this is because the temperature changes in spring and autumn in opposite directions, so the sign of indoor and outdoor temperature difference caused by house inertia in spring is also opposite (it is colder indoors in spring than outdoors, and the opposite in autumn). In China, it is hot in Leng Xia in winter, rising and falling rapidly in spring and autumn, and the indoor temperature changes far behind the outdoor, so the temperature difference between indoor and outdoor has reached a very significant level. In this way, if you walk indoors from the outside in the middle of spring (especially in the sunshine of Wen Wei), if you don't put on clothes in spring, you will catch cold and get sick for a long time, especially the old, the weak and the sick.

In autumn, on the other hand, you should wear less clothes when you enter the house, which is "freezing to death". In short, the room has heating in winter, and the temperature difference between indoor and outdoor is greater. North Renye Fang has the habit of undressing before entering the house, so as not to sweat and hurt the sun. The reason is the same.

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