<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Another angle: it seems like placebo effect would work both directions.  </span></p>
</div></div></blockquote><div><br></div><div>The nocebo effect:   <a href="http://en.wikipedia.org/wiki/Nocebo">http://en.wikipedia.org/wiki/Nocebo</a> </div></div><br></div></div>