When the weather is cold, my nose is blocked, and sometimes my nose is so heavy that I can't speak clearly. Do you know what is going on?

The cold air that affects us in autumn is increasing. For example, the highest temperature during the day is about 30 degrees, the lowest temperature in the morning and evening may be below 19 degrees, and the temperature difference in one day is above 10 degrees. So a thin skirt worn at 30 degrees during the day can't resist the cold below 19 degrees. When we feel cold, our skin has lost a lot of heat.

Another reason is that the temperature changes too much in autumn. For example, when it rains suddenly, the temperature drops from more than 30 degrees at noon to below 19 degrees. If you don't change clothes in time, you will easily catch a cold. Many children are playing, and when office workers are buried in their work, they don't notice that the temperature has dropped, ignoring the little thing of changing clothes in time, so they catch a cold unconsciously. Therefore, we must always be careful of diseases caused by weather changes.