Placebo Effects Little Understood

var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));Ed Yong reports HERE on the connection between the placebo effect (fake treatment alleviating pain) and actual spinal signaling (specifically at the 'dorsal horn'). As he says