We all know what pain is. But why does it exist? And what's it like to live with chronic pain?

Animation by Gemma Green-Hope.
Made in partnership with the @royalsociety

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0:26 Intro to the three types of pain
0:30 Day-to-day pain
1:02 Personal experience of living with neuropathic pain
1:56 What is neuropathic pain?
2:20 The third, mysterious kind of pain with no obvious biological cause
3:23 Pain is a hidden disability
3:46 Pain and mental health
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