Many families have air conditioners installed, which can be used to adjust the indoor temperature and are very convenient to use. However, in recent years, more and more people have suffered from air conditioning diseases. Some people think that it is caused by pathogens, and these pathogens all come from the air conditioning system. In fact, there are four main reasons for air conditioning diseases. Supercooling This causes a difference in human skin temperature, with the temperature of the limbs being lower than that of the trunk, and the hands and feet cooling down. The body's ability to regulate temperature is powerless to cope with this. Negative ions In an air-conditioned ultra-clean room, negative ions are almost zero. Negative ions are negatively charged air particles that can invigorate people and improve body functions. They are called "vitamins" in the air. Lack of negative ions can cause headaches. The air is not fresh People feel chest tightness, panic, dizziness, weakness, and their work efficiency and health status are significantly reduced. It is measured that the number of negative ions per square centimeter in an ordinary room is 50, but after using an air conditioner, it can be reduced to less than 10. Sudden temperature change When people enter an air-conditioned room from a high-temperature outdoor environment or other houses, the temperature difference is large and the temperature changes suddenly. The autonomic nervous system of the human body is difficult to adapt to it, and symptoms of air-conditioning disease will appear. They are irritable, nervous, insomnia, etc. In addition, since air-conditioned rooms are usually closed, although the air-conditioning system can filter out most of the dust and bacteria in the air, the residual bacteria in the air will still cause pollution. People who live in a monotonous air-conditioned environment for a long time will destroy the biological rhythm of the human body and cause autonomic nervous system dysfunction. |
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