This article was originally posted on RealClearScience.

It’s no secret that depression is a major problem worldwide. A map published by the Washington Postdepicts the prevalence of depression around the world. Every country on Earth, rich or poor, has citizens who experience depression. Coping with sadness is a part of the human condition, but why some of us suffer in near perpetuity is not understood. Decades of research have produced little more than expensive pills that work only slightly better than a placebo. Continue reading →