How to prevent the harm of high temperature weather

Abstract: In summer in the south, it is always 38 or 39 degrees, and some places are too hot to wait for more than 40 degrees! There are many hazards in such a hot summer! Heat stroke, mental disorder, cold and diarrhea will all be accompanied by heat. In addition, if it is extremely hot, it may cause mental illness! So how can we avoid the harm of high temperature to the body? As the saying goes, air conditioning gives us life, but it's better to blow less air conditioning and more electric fans instead of blowing all the time. In addition, drinking more water, eating lightly and going out less are all ways to avoid heat. Let's take a look at the hot knowledge. 1. What are the hazards of high temperature weather to human body?

1, diseases directly caused by high temperature

Under the condition of high temperature, diseases directly caused by high temperature include heatstroke and mental and neurological disorders.

(1) heatstroke

Heatstroke is an acute heatstroke, which is mainly manifested in the disorder of central nervous system and cardiovascular system caused by heat balance and water and salt metabolism in high temperature environment.

(2) Mental and neurological disorders

Mental nerve disorder, also known as thermal fatigue, refers to the adverse effects of high temperature environment on mood, work ability and technical efficiency.

2. Diseases induced by high temperature

In the high temperature environment, because the human body is in a state of thermal stress, sympathetic nerves are excited, sweating a lot, blood viscosity is increased, cardiovascular system is in a state of high load operation, and digestive system function is weakened, thus aggravating the primary disease. For example, drastic changes in blood pressure in the early and late stages of heating can induce heart disease, congestion and coronary heart disease. The increase of blood viscosity can cause thrombosis, which can lead to stroke; The weakness of digestive system leads to poor nutritional status of human body, which further aggravates the original organic diseases.

(1) Common cold

In summer, when the temperature is high, human metabolism is vigorous and energy consumption is high. However, heat often makes people lack sleep, lose appetite, and human immunity and resistance begin to decline. In addition, if they are too greedy for cold, such as blowing fans or air conditioners directly, germs and viruses will take advantage of it, thus causing colds and colds.

(2) heatstroke

In hot summer, the human body sweats more, while the old people have less water than the young people, and their physiological reaction is slower, so they are easy to dehydrate in summer, which will lead to thick blood, which is undoubtedly "adding fuel to the fire" for the old people suffering from hypertension, hyperlipidemia or cardiovascular and cerebrovascular diseases, and the brain blood transfusion is blocked and slowed down, which increases the probability of stroke.

(3) Diarrhea

Diarrhea has much to do with improper diet. High temperature and humidity in summer will promote the reproduction and growth of bacteria, and food will rot easily. If you don't pay attention to your diet, diarrhea will occur, especially for children or infants.

(4) Mental illness

Due to the influence of high temperature, about 16% people will have emotional and behavioral abnormalities, especially middle-aged and elderly people. This condition is called "summer affective disorder". The occurrence of this situation is closely related to temperature, sweating, sleep time and insufficient diet. When the ambient temperature exceeds 30℃, the sunshine time exceeds 12 hours, and the humidity is higher than 80%, the influence of meteorological factors on the emotional regulation center of human hypothalamus is obviously enhanced, and emotional disorders are obviously increased. Coupled with excessive sweating, electrolyte metabolism disorder in human body affects brain nerve activity, leading to abnormal mood and behavior.

Severe high temperature will lead to death.

High temperature has many effects on human health, some directly lead to diseases, some indirectly affect the original diseases, or affect people's emotions and nervous system, and the most serious consequence is death.

As a meteorological factor, high temperature itself can directly lead to severe heatstroke death, and can also be used as an inducing factor to aggravate the illness of some patients with serious organic diseases and die; In addition, high temperature will weaken people's nervous function, leading to accidents and deaths, and even people's behavioral adaptation activities at high temperature will lead to behavioral changes and dangerous behavioral factors that lead to death.

Second, how to prevent the harm of high temperature weather

1, drink more water. A lot of water will be lost in hot weather, so it is very important to replenish water, especially light salt water.

2. Air conditioning fan. It is recommended to blow more fans and less air conditioners, so as to be healthy. Blowing fans is also skillful. The wind should blow sideways, not straight. Although it is cool and fast, if you move, you will suddenly feel very hot.

3. do exercise. You can say that it's already very hot and you still exercise. Exercise helps to sweat, and I often feel hot in the house because I won't sweat. Blow the fan a little after exercise and take a bath, and you will feel much more comfortable immediately.

4. Enjoy the cool under the tree. Leaves can breathe and absorb heat, and it will be cooler in the shade than in the house, and it is a good place for summer.

5. reduce going out. If the heat is unbearable, try not to exercise outdoors.

6. Eat watermelon. Watermelon is definitely indispensable as an artifact to relieve summer heat.

7. Sleep on the mat. Summer sleeping mats may not be used much, but at least they can be used.