Chronic Pain: Five Things We Know About Causes, Treatments and Diagnoses
Briefly

Chronic pain is recognised now as a disorder of the central nervous system, occurring when nerves become hyperactivated or sensitized for various reasons.
Despite 100 million afflicted in the US and up to two billion worldwide, chronic pain receives only a fraction of research funding compared to diseases like cancer.
The persistent nature of chronic pain reveals how much we still don't know about its causes, contributing to the underfunding and lack of focused research.
We're on the cusp of a revolution in understanding and treating chronic pain, which many now view as an illness in its own right.
Read at www.nytimes.com
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