Eli5: Why do we get a metallic taste in our mouths when we hit our head?

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Furthermore, if it’s severe enough, what’s the smell?

In: Biology

3 Answers

Anonymous 0 Comments

It’s adrenaline you’re tasting. Any painful Injury causes it to flow, and if there’s a big enough flood of it you can taste it. Sometimes a big fright can cause it too. Helps your body manage the pain and prep your muscles for a fight or flight response to whatever caused the injury/fear.

Not sure about the smell you’re referring to.

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