pain killers /channels/taxonomy/term/10346/all en American Placebo /channels/news/american-placebo-255973 <p>A new study finds that rising placebo responses may play a part in the increasingly high failure rate for clinical trials of drugs designed to control chronic pain caused by nerve damage. Tue, 06 Oct 2015 16:17:37 +0000 webfull 113144 at /channels