Pain - what is it, and why we get it - is very frequently misunderstood. It does not equal the degree of tissue damage. In fact pain is not something that comes from tissues at all.
What is it? It is actually the output of the brain designed to protect you. It evaluates any relevant past experience, compares it to the current scenario, and creates a signal that is perceived as pain.
It is an incredibly important process however it is open to errors of interpretation as there are many factors involved.
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