What popular science knowledge is there in 202 1 first frost?
catalogue
First frost related knowledge
Chushuang folk custom
Chushuang health
First frost related knowledge
The first frost is the eighteenth of the twenty-four solar terms. Cold weather begins with the first frost, which is the last solar term in autumn, reflecting the change of temperature and the transition between autumn and winter, which means the coming of winter. As the saying goes, "the first frost kills a hundred herbs." After the first frost, the plants gradually lost their vitality and the land was desolate.
"Twenty-four solar terms" said that the first frost: in mid-September, the gas was cold and condensed, and the dew became frost. The weather suddenly turned cold, and autumn clothes and trousers became more and more important. In some places, because it was too cold, cotton-padded jackets were put on before and after the first frost. After all, freezing to death is not a disease, freezing to death is fatal.
Of course, the benefits of the first frost are also great. At this time, the north is solemn, but the south is the harvest season. The rice is harvested, the wheat is planted early, the autumn is crisp, and the crab is fat. Su Zhe, an ancient poet, mentioned in his poem: "Tian Shen is a cunning rabbit, and the first frost bass is beautiful." This season, you can often eat a lot of delicious food, and it is also a time for "foodies" to be happy!
However, it is necessary to eat regularly and have rules. Health care is particularly important in the first frost season. There is a folk proverb that "it is better to make up the first frost once a year", which shows the influence of this solar term on us.
The first frost solar term is the peak period of recurrence of chronic gastritis and gastroduodenal ulcer. The elderly are also very prone to "old cold legs" (knee osteoarthritis), and chronic bronchitis is also prone to recurrence or aggravation. First of all, we should pay attention to keep warm, and secondly, we should prevent autumn dryness, and the amount of exercise can be increased appropriately. Eat a balanced diet. Pay attention to strengthening spleen and nourishing stomach, nourishing liver and kidney, and eat more foods that strengthen spleen, nourish yin and moisten dryness. Corn, radish, chestnut, autumn pear, lily, honey, yam, milk cabbage, beef, chicken and loach are all good. At this time, you should eat more pears, apples, ginkgo, onions and mustard (potherb mustard). For the elderly with poor resistance, we should pay attention to the weather in time, increase or decrease clothes on time, and avoid the invasion of damp and cold pathogens, which will lead to illness.
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Chushuang folk custom
In the first frost season, the sky is high and the clouds are light, and the maple leaves are dyed, which is suitable for climbing high and overlooking. In addition, there are these folk customs:
Eat persimmon
"When you eat persimmon diced in the first frost, your nose won't run." In some places, persimmon should be eaten in the first frost season, which can not only supplement vitamins, but also satisfy appetite. This is a good first frost food. Even Wang Shixiong, a scholar in Qing Dynasty, called it "the crown of fruit".
enjoy beautiful chrysanthemums
In ancient times, there was a saying that "frost beats chrysanthemums". In the eyes of the ancients, chrysanthemum has unusual cultural significance, and climbing the mountain to enjoy chrysanthemum is also one of the elegant things that literati must do at the beginning of frost.
Chrysanthemums are considered as "longevity customers" and old grasses. The first frost season is when autumn chrysanthemums are in full bloom. Many places will hold chrysanthemum parties at this time to enjoy chrysanthemums and drink alcohol to show their respect and love for chrysanthemums.
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Chushuang health
As the saying goes, "it is better to make up the first frost for one year", and the secret of the first frost lies in eating and making up!
Diet: Eat more seasonal fruits and vegetables.
Autumn dryness is obvious after the first frost, so it should be supplemented. You can eat more foods that strengthen the spleen, nourish yin and moisten dryness.
Nowadays, Chinese cabbage is a seasonal vegetable. Chinese cabbage is cheap, nutritious and rich in water, which is very conducive to relieving dry skin and relaxing bowels. Eating more white food can nourish yin, moisten lung and protect lung.
It's time for the first frost to pull out radish. White radish has the effect of clearing lung-heat and relieving cough. Eating raw white radish can relieve abdominal distension and promote large intestine movement, which is suitable for eating in late autumn.
White radish skin is white and opaque, and the meat is spicy and can only be cooked; The skin is transparent, and the meat that is not spicy and sweet can be eaten raw. Radish contains pungent mustard oil, which has the function of promoting metabolism and has an auxiliary effect on diseases such as hypertension and arteriosclerosis.
Persimmons in the first frost season are large in size, thin in skin and high in nutritional value, and are rich in carotene, vitamin C, glucose, fructose and other substances.
Pear contains a variety of vitamins, minerals and organic acids, which can moisten dryness, clear heat and resolve phlegm, and is suitable for dry season. Because the weather is getting colder and colder and pears are eaten too much, people with poor gastrointestinal function will have diarrhea. Therefore, it is suggested that pears be boiled with water and then eaten with soup.
Daily life: soaking feet to drive away the cold
It is suggested to go to bed early and get up early, appropriately increase the amount of exercise, promote blood circulation, and help relieve autumn dryness. Insist on soaking feet in hot water at night for about 20 minutes each time until the body perspires slightly, which is beneficial to dispelling cold and promoting blood circulation of feet. And do a good job of keeping warm and keep a peaceful mind.
Three defenses: wind, dryness and depression
"As soon as the first frost of paraquat is over", the weather is getting colder at this time, so it is necessary to prevent the thief wind from invading at night, resulting in soreness and fatigue the next day. Therefore, you should cover the quilt when sleeping and pay attention to dressing and keeping warm every day.
The first frost is solar term, and the autumn dryness is obvious, which is prone to dry mouth, dry lips, constipation and dry skin. Breathe more fresh air and eat more foods with high water content.
In late autumn, everything is bleak, and autumn is easy to be sad, which makes people depressed and depressed. Take part in more recreational activities and keep a good mood.
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202 1 Chu Shuang, what articles are there about popular science knowledge?
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