Snow-saving caution against "cold from the feet"

On the 7th, it will usher in the “snowfall” of one of the solar calendar's solar terms. After entering the heavy snowfall season, the weather was colder and cold weather began to appear in northern China. Astronomical experts reminded that during this time, the public should pay attention to daily health care, keep warm, strengthen exercise, reduce and avoid the occurrence of cold, cough and other respiratory diseases.

Zhao Zhiyu, an expert in astronomy education in China, introduced that the snowfall is on December 7 or 8 every year, and the sun is yellow at 255 degrees. "Monthly 72nd Settlement" said: "The big one is Shengya, and here is Xuesheng." The meaning of heavy snow is that the weather is colder and the possibility of snowfall is greater than that of Xiao Xue.

Heavy snow season has entered the winter season, the weather is colder, less precipitation, dry, large temperature difference between morning and evening. At this time, in the north, the landscape in the north is snow-covered and snow-covered in thousands of miles. In the south of the Yangtze River, the temperature dropped significantly after the snow festival, and freezing phenomenon often occurred. “After the winter solstice, the basket water will not leak” is a meteorological image of life in this period. .

Astronomical experts said that before and after the heavy snowfall, the average temperatures in the northeast and northwest have reached below minus 10 degrees Celsius, and the temperatures in the Yellow River Basin and North China are also stable below 0 degrees Celsius.

At this time of the festival, health experts warned that traditional Chinese medicine believes that the three parts of the body's head, chest, and feet are most vulnerable to cold pathogens. As the saying goes, "Chill from the feet," the foot is farthest from the heart, the blood supply is slow and little, the subcutaneous fat is thin, and the ability to withstand the cold is poor. Once cold, it will reflexively cause capillary contractions of the respiratory mucosa, making it The ability to resist disease has decreased, leading to respiratory infections. Therefore, special attention should be paid to the warmth of the feet in the cold snow season.

Health experts also reminded that if you don’t pay attention to warm clothes when the temperature suddenly drops, you can suffer from cough, cold and other symptoms. Therefore, during the period of heavy snowfall, the public should pay attention to changing clothes in time according to changes in the climate. People with cardiovascular and cerebrovascular diseases, arthritis, and digestive diseases should pay attention to adding warm clothing.

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