Different “degrees” mean different plans | Who should I listen to when deciding the air conditioning temperature?

In the hot summer, some people are sweating profusely, while others are shivering in the air-conditioned room. Can we still be friends if the air conditioner is not suitable for us? Why does the "air conditioner temperature not suitable" occur?

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1. Temperature sensing system

Why do some people fear cold but not heat, while others fear heat but not cold? **This is because each person's temperature receptors are different, and their sensitivity to temperature is different. **The main function of the temperature receptors is to receive external temperature stimuli. They are mainly distributed in the human skin and also in the internal organs.

Generally speaking, people with a thin constitution have a thinner layer of subcutaneous fat. In the hot summer, the heat in the body dissipates faster to the outside, so the heat stimulation to the heat receptors is less, which is why people with a thin constitution are not afraid of heat in most cases. However, in an air-conditioned room, people with a thin constitution have less fat and lower resistance to low temperature environments, so the stimulation to the cold receptors is greater, and the feeling of cold is stronger.

Skin receptors

Source: Baidu Encyclopedia

The biggest factor that stimulates our cold and hot receptors is the perceived temperature . What is perceived temperature? Perceived temperature is the feeling of cold or warm that one gets physically or mentally when the cold and hot receptors are stimulated by the external environment. In the same temperature environment, everyone's perceived temperature is different. Generally speaking, women's metabolism is faster than men's, so women's perceived temperature is about 0.3℃ higher than men's .

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The perceived temperature is also affected by air temperature, air humidity, wind speed, etc. Generally speaking, when the indoor temperature exceeds 25°C, the human body begins to absorb heat from the outside world and produces a feeling of heat. When the air temperature is constant, changes in air humidity will affect the human body's comfort with the thermal environment to a certain extent. The higher the air humidity, the more stuffy it feels. When the air flows quickly, the heat around the human body is constantly taken away by the flowing air. The greater the wind speed, the more heat the human body loses, the faster the loss speed, and the lower the perceived temperature.

In summer, the south is more humid and hotter than the north. In addition to different temperature receptors, what other factors affect "inappropriate air conditioning"? For example, some people do not take in enough iron, which leads to less hemoglobin in the blood, affecting the blood's oxygen-carrying capacity, and ultimately causing metabolic disorders in body tissues, resulting in insufficient heat production. Or, the body's blood pressure is low, and blood circulation in some peripheral blood vessels is insufficient. Body tissues do not get enough oxygen and energy, so they like heat and fear cold. Some people also have insufficient thyroid secretion in their bodies, which slows down blood circulation in the skin and other parts, resulting in insufficient heat production. Compared with normal people, the above people will feel noticeably cold when using air conditioning because they do not generate enough heat themselves.

2. How to reduce air-conditioning disease?

Long-term use of air conditioning will have certain effects on physical health, resulting in "air conditioning disease". For example, the body's immunity will decrease . This is because the air-conditioned room is in a closed state for a long time, and the air cannot be exchanged, resulting in a decrease in air quality, which is easy to increase harmful bacteria in the air, making us more susceptible to various diseases. In addition, frequent use of air conditioning can also cause dizziness. This is due to the imbalance of brain nerves caused by the brain being cold for a long time, resulting in symptoms of dizziness.

Since air-conditioned rooms are generally dry, if we stay in them for a long time, our bodies are prone to dehydration, which will cause our skin to deteriorate. We must pay attention to replenishing water when using air conditioning. In addition, using air conditioning for a long time may also induce immune system diseases such as rheumatism. This is because the temperature and air humidity inside and outside the air-conditioned room are very different, and the body is difficult to adapt, which leads to immune system disorders and causes rheumatism and other diseases.

Source: Sohu

So, how can we avoid air-conditioning disease? First of all, we should pay attention to the temperature difference between indoor and outdoor should not exceed 5℃, the air-conditioning temperature is best controlled at around 24-26℃, this temperature is the most comfortable for the human body, the air-conditioning temperature should not be too low, otherwise it is easy to catch a cold.

Source: Sina

Secondly, when using air conditioning, the body loses water quickly. Once the water loss is too much, it may cause diseases such as bronchitis, so you must pay attention to drinking more warm water. In the air-conditioned room, you should pay attention to moisturizing , so as to reduce skin problems.

You can put a humidifier in the air-conditioned room

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In addition, you should avoid staying in the air-conditioned room for a long time. The air-conditioned room should be ventilated regularly to reduce the growth of harmful bacteria in the air and keep the ambient air fresh. Finally, you can make an appropriate transition when entering and leaving the air-conditioned room. For example, you should not enter the air-conditioned room immediately after sweating a lot to avoid catching a cold. Do not let the air conditioner blow directly.

The scorching heat is unbearable, and it is extremely painful without air conditioning. But friends, you must put your health first when using air conditioning.