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In a quiet state, about 20 litres of CO2 are exhaled per person per hour. In crowded places, the carbon dioxide exhaled by people cannot be discharged outdoors in time, and the concentration of carbon dioxide in indoor air will increase significantly. Practice has proved that when the concentration of carbon dioxide in the environment reaches, there is no obvious impact on human physiological functions and labor, and only a few sensitive people will feel some difficulty breathing; When the carbon dioxide concentration rises above and below, 50% of people are wheezing and their heart rate increases; When reached, 88% of people were wheezing, 50% felt dizzy, weakness in their limbs, and a few vomited; When it reaches 5%, 100% of the people have asthma, and more than 60% have headaches, dizziness, weakness in the limbs, and can barely work.
In general, the concentration of carbon dioxide in the house should be below and the maximum level should not be exceeded. When turning on the air conditioner in midsummer, you should regularly open the door for ventilation and install a negative ion generator to keep the indoor air fresh. For those who are physically weak, it is necessary to pay more attention to these protective measures.
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So how did "air conditioning sickness" come about? The air conditioner installed in the general family is the traditional split air conditioner, when in use, it is generally in a closed environment, the indoor air is almost isolated from the outside world, when the person is in the place for a long time, the indoor oxygen is constantly consumed, and it is not supplemented, the human body will be hypoxic, which will lead to the human organs can not work normally, causing endocrine disorders; Moreover, the minimum temperature of the cold air blown by the traditional split air conditioner is 7 degrees Celsius, which will make the pores on the surface of the human body shrink and cannot sweat normally, and once the surrounding environment temperature changes suddenly, it will also cause endocrine disorders. These can lead to "air conditioning sickness".
If you want to prevent air conditioning disease, you must have countermeasures: If you have a traditional split air conditioner installed in your home, then it is best not to turn the temperature too low, and at the same time, it is best not to stay in the air conditioning environment for too long, it is best to open the windows regularly to let in fresh air outside to maintain the oxygen level in the room.
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Of course it's harmful. In the hot summer, due to the excessive use of air conditioning, the excess heat, diffuse moisture, and accumulated "poisons" and "wastes" in the body cannot all be dispersed outside the body and accumulated in the body.
As a kind of first-class agent, this accumulated damp heat is more likely to do evil than external damp heat, and it will give rise to various diseases, so it is particularly easy to attack diseases such as cold heat, heat stroke, chronic bronchitis, asthma, emphysema, chronic pharyngitis, spleen and stomach diseases, and joint diseases.
Measures for long-term stay in air-conditioned rooms.
1. Avoid short clothes and short skirts, and prepare a thicker dress by your side.
2. Avoid the air conditioner blowing directly on a certain part of the body for a long time.
3. Take appropriate breaks between work breaks and take appropriate breaks to move your body.
4. Avoid cold drinks and drink warm water as much as possible.
5. Exercise regularly to enhance physical fitness.
The above content refers to People's Daily Online--To prevent "air conditioning disease" in summer
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Yes, it is easy to suffer from air conditioning disease, or there is a possibility of decreased resistance, it should be said that people's health should follow the laws of nature, and the summer can almost remove the toxins from the body for a year, so the air conditioning can be used appropriately.
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will be frozen. However, turning on the air conditioner is too colorless. Don't open too much. Left colorless and weak.
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Lack of water, bad air. But now most of the area is hazy, so it's not bad to stay in the air conditioner,
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