You know you
should heed the glass-half-full mentality—it’s been linked to a longer, happier, and healthier life. But now, Harvard Medical School researchers say that following the old adage could even make you think a drug works better than it actually does.
In the study, researchers found that people reported 30 percent more pain relief when they were told positive information about a migraine medicine they were on than when they were told nothing or negative information—even if the drug was a placebo!
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