Why is it hot in dog days? What if it's too hot in dog days?

The weather in summer is very hot, especially in dog days. The temperature is generally above 35 degrees Celsius, which makes it uncomfortable. So, why is it so hot in dog days? What if it's too hot in dog days?

Why is it hot in dog days?

As the saying goes, "it's a hot day in dog days", especially in cities, as if you were in a huge steamer. It's stuffy and hot in the dog days. Because the surface humidity becomes higher after the dog days, it absorbs more heat and emits less heat every day, so the surface heat accumulates, so it gets hotter every day. When it enters the dog days, the accumulated heat on the ground reaches its peak, and the weather is the hottest. In addition, there is much rain in summer, the air humidity is high, and the heat capacity of water is much greater than that of dry air, which is also an important reason for the sultry weather. The subtropical high intensified in July and August. Under the control of the subtropical high, the descending airflow inside the high makes the weather clear and cloudy, which is beneficial to the sunshine, the ground radiation heats up and the weather is hotter. Therefore, the dog days are characterized by high temperature, low air pressure, high humidity and low wind speed. At this time, the feeling of human body is naturally sultry.

What if it's too hot in dog days?

First, replenish water in time but drink less drinks. Juice, cola, soda and other drinks. Contains a lot of harmony. Drinking too much will cause bad stimulation to the gastrointestinal tract and affect digestion and appetite. So drink more boiled water or light salt (sugar) boiled water in summer.

Second, it is not advisable to binge drink after being thirsty. After sweating a lot in labor and sports, it is not advisable to drink a lot of white water, and some light salt (sugar) water should be supplemented appropriately, because after sweating a lot, too much salt is lost in the human body, accounting for about 0.5% of sweat. If salt is not supplemented in time, the ratio of water to salt in the body will be seriously unbalanced, leading to metabolic disorder.

Third, the strongest time of the sun is around 10-15. Try to avoid going out during this time, and apply some sunscreen skin care products to your skin. It is best to wear light clothes in summer.

Fourth, it is not advisable to drink too much. In summer, the human body is easily affected by the temperature to accumulate damp heat, and excessive damp heat is the cause of skin occurrence. If you drink a lot of white wine, it will contribute to heat and dampness.

Fifth, the 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 and fish eggs to meet the metabolic needs of the human body.

How to keep fit when it is too hot in dog days?

As the saying goes, "practice three or nine in winter and three volts in summer." This is a summary of the experience of long-term health preservation in ancient times. Modern medicine has proved that in hot weather, a kind of emergency protein will be produced in human body, which can resist the harm to human body in summer. It can be seen that the human body itself has the ability to adapt to different environments. Exercise in cold and summer can improve the body's ability to adapt to different environments. Therefore, the ancients believed that people who obtained health cultivation could "avoid cold and heat, and all kinds of poisons would not invade." However, to prevent heatstroke in summer, we should dialectically avoid the high temperature period. The doctor reminded that ordinary people should not advocate this kind of exercise, especially the elderly and infirm, or those who have lived in a suitable temperature environment for a long time and have low adaptability to different environments. Therefore, these people had better be in summer.

Of course, you can't hide in an air-conditioned home, because that will make your body less adaptable. You should get out of the house properly and do some proper exercise. For example, swimming, practicing Tai Ji Chuan or traveling to summer resorts will enrich summer life and improve physical fitness.