Pain Really Is All In Your Head. Emotion Controls Intensity : Shots - Health News : NPR

Humiliation, fear and unpredictability all turn up the volume on pain, research shows. And meditation can turn down pain’s intensity, according to scientists who are starting to figure out why.

http://www.npr.org/blogs/health/2015/02/18/387211563/pain-really-is-all-in-your-head-emotion-controls-intensity?