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What are the climatic characteristics of slight cold?
Slight cold climate characteristics
In turn, slight cold is the 23rd of the 24 solar terms, and it is also a solar term of the twelfth lunar month. During the slight cold, the sun moves to 285 degrees of the Yellow Meridian, and the time is 65438+ 10 on the 5th or 6th of October in Gregorian calendar. Like great cold, slight summer heat, great summer heat and intense summer heat, it is a solar term indicating temperature change.
"Twenty-four solar terms": "December solar terms, the first cold is still small, so the cloud. It will be big in half a month. " A slight cold means that the weather is already very cold. The periods of slight cold and severe cold in most parts of China are generally the coldest. As soon as the "slight cold" passes, it will take three or nine days to "get out of the ice". The characteristic of slight cold is that the weather has turned cold, but it is not cold yet. The "March 9th" in the middle of winter is basically within this solar term, so there is a saying that "slight cold is better than severe cold".
Two old folk proverbs, "A slight cold, freezing into a ball" and "Walking in the street, losing money", all describe the coldness of this solar term. At the same time, it was also around the "March 9th", as the saying goes, "Cold is in the March 9th". This is because on the solstice of last winter, the surface received the least sunlight and heat, but the heat in the deep soil supplemented this, so it was not the coldest time of the year.
On March 9, after the winter solstice, the heat in the deep soil was exhausted. Although the sunshine and heat increased slightly, it still made ends meet, so the lowest temperature in the whole year appeared. During this solar term, most parts of China entered a severe cold period, with frozen soil and frozen rivers. In addition, the cold air in the north continues to go south, and the weather is cold, so people call it "nine cold days". Although it is not as cold in the south of our country as in the north, the temperature has dropped obviously. The coldest time in the south is slight cold, between rain and fright. It is dry and cold when it is a little cold, and it is wet and cold after the rain.
Pay attention to the slight cold solar terms
1, personal health care
Huangdi Neijing emphasizes "don't disturb the sun, lie down early and get up late, and wait for the sun". In other words, in the cold winter, don't disturb the physiological function of yin-yang transformation. Getting enough sleep in cold season is beneficial to storing yang and yin essence.
Too few clothes and too thin, and the room temperature is too low, which will make people easy to catch a cold and consume yang. On the other hand, if the clothes are too thick and the room temperature is too high, the yang can't be hidden, and it is easy for the cold to invade the body. Dressing should talk about "clothes climate", that is, the temperature between the inner layer of clothes and the skin should always be kept at 32℃ ~ 33℃. This ideal "clothing climate" can buffer the invasion of cold climate on human body.
2. Psychological adjustment
Winter is easily affected by stoves, heating and dry climate. And people get angry easily and their mood changes easily. Chinese medicine believes that anger leads to qi, which disturbs Yang. Therefore, special attention should be paid to emotional regulation in winter. Seasonal affective disorder should also be prevented in winter. The so-called seasonal affective disorder means that some people are prone to depression, lethargy and groggy in winter, and it will appear year after year.
This phenomenon generally occurs in young people, especially women. The prevention method is to spend more time in the sun, which is a natural therapy to regulate emotions.
What should slight cold pay attention to?
Frostbite prevention
The slight cold solar term is the coldest time period in the "March 9", and many readers are worried about frostbite and come to "report" on time. Especially some girls are handsome and slim, but their hands are stretched out like slender carrots, red and swollen!
People often rub their hands with ginger, snow water and ice cubes, and use pepper water to prevent freezing, which promotes blood circulation in their hands and accelerates blood circulation. Du Changming, director of the dermatology department of Nanjing Hospital of Integrated Traditional Chinese and Western Medicine, said that these methods can only prevent frostbite, but cannot treat frostbite. If used improperly, it will also lead to chilblain, and may also cause skin ulceration, which will make the condition worse.
There is also a method of soaking in warm water to exercise the contraction and expansion function of blood vessels, but it is only suitable for the formation of frostbite, reducing the probability of occurrence, having no therapeutic effect on frostbite that has already formed, and even aggravating symptoms such as swelling.
Lian Sanjiu
Time should be sooner rather than later: during the interval of slight cold solar terms, it is best to do exercise in the morning after sunrise, because the temperature rises after sunrise, the pollutants in the air are also reduced, and there is also the function of sunbathing to avoid catching a cold.
The amount of exercise should be small but not large: the amount of exercise should be gradually increased from small to large at a time, and don't do strenuous exercise suddenly to avoid accidents. Be sure to be fully prepared before exercise. Due to the low temperature in winter, slow blood flow, reduced elasticity and flexibility of muscles, joints and ligaments, sports injuries are prone to occur. The amount of exercise should not be large, and Tai Ji Chuan, brisk walking, gymnastics and other exercises can be carried out.
Inhale through your nose, not your mouth. Sports ventilation should adopt the way of breathing through nasal inhalation, because inhaling through nasal cavity can humidify and warm the air, and can also help prevent dust and bacteria from protecting the respiratory tract. In addition, winter exercise should choose the way and place of exercise according to the weather conditions of the day, and avoid exercising in strong wind, heavy snow, fog and cold. Exercise should be done indoors in the above weather.
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