If you want deep explanations for pain, you have to stare into the abyss of deep time and biology. Todd Hargrove did: in a post I missed last year, he explored the ways an evolutionary perspective might shed light on why pain sometimes transmogrifies from a useful alarm system into something that seems to be disconnected from reality, pain that’s too strong and goes on for too long, for no apparent reason, formally known as “nociplastic” pain. “One of [evolutionary medicine's] goals i...
