The new crown epidemic has been repeated, and masks have become standard for everyone’s daily use. There have also been a lot of rumors about masks, some of which are outrageous. For example, someone reposted in the WeChat group, saying that wearing a mask may lead to hypoxia and cause various health problems. At first glance, this rumor seems to be well-founded and serious, but only four words are enough to evaluate it: nonsense. In fact, such rumors will spread in 2021. At that time, many well-known foreign media also interviewed experts in related fields to refute the rumors. The short video of Margarite Griesz-Brisson mentioned in the article was also banned by Youtube for violating community regulations. It was taken off the shelf, which shows that it is not reliable. However, in order to better clarify whether masks have any effect on health, it is still necessary to talk about the principle, and then we will talk about it in detail. 01Do masks really affect breathing? After wearing a mask, it does make people feel a little unaccustomed and even uncomfortable, but does this really mean that normal breathing will be affected, so that, as the rumor says, the blood oxygen level will drop, resulting in hypercapnia? ? Let’s first look at a small experiment. University of California, San Diego.
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