Eli5: Why is it difficult to breathe when wind is blowing on your face?
In: 19
The increased air pressure and coldness on your face mimics the feeling of being underwater, which triggers a reflex to stop breathing. That reaction itself is called the [mammalian diving reflex](https://en.wikipedia.org/wiki/Diving_reflex?wprov=sfla1). So basically, it is your brain misinterpreting stimuli and stopping you from breathing so that you don’t drown, even though you’re not in water.
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