Why do people and animals yell when they’re in pain?
In: Biology
Because it hurts.
From an evolutionary perspective it could serve several purposes.
First it summons help. This is massively important particularly in species where child rearing is an investment of significant time and resources.
Second it warns the community of potential hazards.
Both of these best function as a reflex, as a rational process requires both intention and the time and complexity to form that intention.
The reflex is so important that both yelling and cursing produce a neurological reward in the form of released analgesics.
You literally feel better if you yell.
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