[extropy-chat] lick your wounds

[Damien Broderick]

http://www.cosmosmagazine.com/node/846

A natural painkiller more powerful than morphine has been discovered 
in human saliva, and may lead to improvements in the clinical 
treatment of pain, French scientists say.

The compound, called opiorphin, acts on pathways involving not just 
pain, but also emotional responses, according to the researchers.
etc