Why is it stuffy to breathe in summer? If you don't open the window, you will hold your breath, but if you don't open the window for a few days, you won't be bored. Why?

Respiratory problems may be due to high oxygen consumption in summer and insufficient oxygen when closing the window. It's cold in winter, I often don't exercise much, and I consume less oxygen, so I don't need much oxygen.

I suggest you practice yoga breathing, open your chest leaves, go to the park to breathe fresh air more, and breathe all over your body, so that people will be very comfortable.

In addition, we can look at the winter of the lunar calendar, which starts in beginning of winter and ends in beginning of spring. 165438+ comes in October. .