20 17 when will the temperature drop (2)

How many days will it be cool after 20 17 heat?

Every year on July 22nd or 23rd of the Gregorian calendar, when the sun runs to the longitude of the Yellow River 120 degrees, it is extremely hot, which means it is the hottest period in most parts of China. Is the whole province here at present? First squat? , is the most difficult time of the year.

The hot summer is the hottest time in summer, and it usually takes three months for the weather to get cold. July 19 just entered the first stage of the dog days. Besides, there are autumn tigers even in early autumn. It takes 40 days to cool down during the dog days, at least until the end of August.

The reason why it is so hot during the summer heat is that Nanjing is often controlled by subtropical high, with high temperature and summer heat and little precipitation. In addition, usually since the summer, the heat absorbed from the ground sun during the day is more than the heat emitted at night, and the heat continues to accumulate. During the summer heat, the accumulated heat reached its peak, so the solar term was the hottest.

Following the summer solar term, the sun arrives at the Huangjing on August 7th or 8th every year. It was the solar term in beginning of autumn. ? Autumn? It means cool in summer and the beginning of autumn. But after beginning of autumn, there are autumn tigers, which are also very hot at this time.

With the arrival of the great summer heat, the Mid-Autumn Festival on the dog days of July 23rd also followed. This year? Zhongfu? There are still 20 days left. The last day is 10, and with the autumn tiger, it is expected that the weather will start to turn cold by the end of August.

Health knowledge of cold weather

Mainly smooth food.

Such as pear, lily, Polygonatum odoratum, Adenophora adenophora, Dendrobium, water chestnut, Lycium barbarum and so on. It can moisten the heart and lungs and nourish the stomach yin. And there are foods with gelatinous or sticky texture? Run? Such as tremella, kelp, yam, lotus root, okra, mushrooms, sea cucumber, jellyfish skin and so on.

Drink more water.

If you want to get rid of autumn dryness, you must nourish yin, and the key point of nourishing yin is to keep water. Besides eating more smooth food, water intake is also essential. Drinking a cup of warm water after getting up in the morning can wake up the whole digestive system, and when the intestines start to wriggle, they will want to go to the toilet, of course, they will not be constipated; But don't drink cold water, because people's spleen and stomach like warm and avoid cold, and drinking too much water below room temperature is harmful to the body.

It is important to drink more water, and the method of drinking water should also be paid attention to. When drinking water, it is best to drink it in small sips, several times, and don't fill it too much at a time, otherwise the body can't absorb and distribute it effectively. Drinking too much water is like a sudden heavy rain, especially for people with poor circulation and easy blockage of meridians, which will cause local floods, that is, edema.

Drink more honey water.

In addition, Chinese medicine also has a little secret recipe for replenishing water, that is, drinking honey water. Honey can moisten dryness, clear heat, moisten lung, relieve cough, relax bowels and moisturize skin. When it is mixed with water, it can not only replenish water, but also prevent many dry symptoms caused by autumn dryness and resist aging. It is a simple prescription for keeping in good health in autumn. However, because honey may contain some anaerobic bacteria, infants, people who are too sensitive to the gastrointestinal tract, or people who eat sweets and are prone to stomach acid should avoid eating them.

Moisturizing and moistening porridge.

If you can eat some warm porridge or medicated porridge for breakfast in autumn, it can be said to be a good recipe for health, especially for people with spleen and stomach deficiency and poor digestion and absorption. Eating porridge helps to strengthen the spleen and stomach and replenish qi. Lily porridge, tremella porridge, almond porridge, lotus seed porridge, nut porridge and sesame paste are all good healthy breakfasts.

Chinese medicine reminds that the elderly, people with weak constitution, or people who obviously feel uncomfortable every winter should recuperate and maintain their bodies from autumn, drink more water, eat more food that nourishes yin and moistens dryness, and enhance their resistance.

20 17 common sense of heatstroke prevention in summer

1, drink plenty of boiled water.

And drink water regularly, don't wait for thirst, and don't drink too much when you are thirsty. Drink less fruit juice, soda and other drinks, which contain more saccharin and electrolyte. Drinking too much will cause bad stimulation to the gastrointestinal tract and affect digestion and appetite.

2, it is not appropriate to drink too much.

In summer, human body is easily affected by temperature, and excessive damp heat is the cause of skin sores, carbuncle and toxic swelling. If you drink a lot of white wine, it will contribute to dryness and dampness, which is tantamount to adding fuel to the fire.

3, diet should not be too light

In summer, people have long activities, sweat a lot and consume a lot. They should eat more nutritious foods such as chicken, duck, lean meat, fish and eggs to meet the needs of human metabolism. Seasonal vegetables in summer, such as lettuce, cucumber and tomato, have high water content. Fresh fruits, such as peaches, apricots, watermelons and melons, have a water content of 80-90% and can be used to replenish water.

4. The nap time should not be too long.

If the nap time is too long, the central nervous system will deepen the inhibition, the cerebral blood flow will be relatively reduced, and the metabolic process will slow down, leading to discomfort after waking up and more sleepiness.

5. Avoid being heated? Rapid cooling?

In hot summer, when people go out or come back from work, they like to either turn on the electric fan or take a cold bath immediately, which will make the pores of the whole body close quickly, but the heat in the body is difficult to dissipate, and it will also cause insufficient blood supply to the brain due to the rapid contraction of blood vessels in the brain, which makes people dizzy.

6. Remember to prepare sunscreen when you go out in summer.