Off topic: Review of the Nocebo Effect on Medical Trials
Highlights from Beware the Nocebo Effect New York Times Aug 2012
reviewed 31 studies,
11 % of people in fibromyalgia trial dropped out because of side effects to placebo
5% migraine or tension drug trials
4 % to 26 %. Statins
44% of lactose intolerant complained when given glucose
44% of those told might have erectile dysfunction, vs only 15% if not told
PDF of the study is attached at the bottom of this page