You Get What You Pay For? Costly Placebo Works Better Than Cheap One
ScienceDaily (Mar. 5, 2008) - A 10-cent pill doesn't kill pain as well as a
$2.50 pill, even when they are identical placebos, according to a
provocative study by Dan Ariely, a behavioral economist at Duke University.
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http://www.sciencedaily.com/releases/2008/03/080304173339.htm