Recreational drug kratom hits the same brain receptors as strong opioids

Also, opioids have been shown to be effective antidepressants that work when others don’t; http://www.nytimes.com/2016/06/05/opinion/sunday/are-opioids-the-next-antidepressant.html?smprod=nytcore-iphone&smid=nytcore-iphone-share NYTimes: Are Opioids the Next Antidepressant?