http://www.drugs.com/news/narcotic-painkiller-tied-higher-risk-depression-55732.html
Although the study couldn’t prove cause-and-effect… The findings are published in the February issue of the journal Pain. After the study was accepted for publication, the investigators continued their research and found “that most of the risk of depression is driven by the duration of use and not the dose,” Scherrer said in a journal news release…
They spend an awful lot of money on studies that don’t prove anything. And what about the prevalence of depression in pain patients who don’t take prescription drugs? What are the “experts” going to blame that on? Junk science is what this is…