Why are common colds in spring?
1. The temperature changes greatly and the resistance drops
Generally speaking, when the temperature becomes lower, people's pores will shrink to resist the severe cold; when the temperature rises, the pores will relax and wick away sweat. However, when it is warm and cold, it is no better than spring. At this moment, but the temperature is hot and cold, our self-regulation system may not be able to keep up with the rhythm, and it is easier to catch a cold. What's more, we will also cause the resistance to drop due to the sudden change of the ambient temperature.
2. Too busy
The fast-paced city life makes people too busy to forget to eat and sleep well. Excessive fatigue caused by overtime will lead to a decline in immunity. If you encounter a flu virus at this moment, it is very easy to get caught. Busy work also affects people's mood, affects the immune system, leads to a decline in immunity, and it is easier to catch colds.
3. Not paying attention to dressing
Due to the large temperature difference, some people wear more clothes when they go out when the temperature is low. When the temperature is hot at noon, they take off again. Maybe they are busy with homework and fail to put on clothes on time. It is extremely easy to get cold when it is cold and hot.
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