What is the reason for the sultry weather in summer?

The sultry weather is mainly due to the high temperature and low air pressure in summer, which makes people unable to adapt to the environment and have poor breathing.

Because of the rich water vapor and high air humidity in summer, when the temperature is not too high (relatively speaking), people feel sultry, just like in a steamer. Such weather is called sultry and high temperature. Because people like to take a sauna in this weather, it is also called "sauna day". It often appears in China's coastal areas, the middle and lower reaches of the Yangtze River and South China.

High temperature and heat wave make the human body unable to adapt to the environment and exceed the tolerance limit of the human body, leading to the occurrence or aggravation of diseases and even death, and so do animals; At the same time, high temperature and heat wave will also affect the growth and development of plants and reduce crop yield.

Hazards and countermeasures of hot and muggy weather

Hot and muggy weather is a disastrous weather, which can cause continuous increase of power load and shortage of water supply, and has a great impact on industrial and agricultural production. High temperature and sweltering heat will make people uncomfortable, affect their physical and mental health, cause diseases and even lead to death.

First of all, in hot summer, the diet should be light; Drink more boiled water and replenish water in time, which can supplement the blood volume deficiency caused by a lot of sweating and reduce the blood viscosity; Quit smoking and limit alcohol, and eat more fruits and vegetables; Avoid eating too cold food, which will increase the gastrointestinal burden and induce myocardial infarction.

Secondly, keep enough sleep and combine relaxation with work and life; Control emotions, relieve stress in time and avoid mental stress; The indoor air conditioning temperature should not be too low, and should be kept at about 26 degrees Celsius to avoid sudden contraction of blood vessels caused by cold and heat and cardiovascular accidents.

Third, exercise regularly to avoid strenuous exercise, especially in patients with coronary atherosclerotic stenosis, in order to prevent myocardial infarction caused by the aggravation of the original myocardial blood supply deficiency.

Baidu Encyclopedia-Hot weather, People's Daily Online-Pay attention to preventing myocardial infarction in hot weather.