Why can you catch a cold if you wear less clothes in cold weather?

Because of the cold weather, human mucosa is very sensitive to temperature. As soon as the human body catches cold, the nasal mucosa and respiratory mucosa will contract, the exercise ability of motor cells in the building will be weakened, and the lysozyme secreted by the human body will also be reduced. At this time, bacteria and viruses living in the human nasopharynx and respiratory tract will take the opportunity to grow. People will catch a cold and cough at this time. The cold you mentioned is acute rhinitis. If the symptoms of nasal congestion last for more than two months, it is chronic rhinitis. It's hard to get better. It is necessary to look at the five sense organs.