“…Turkheimer's paper, and more recent analyses like it (Kendler, 2012;Miller, 2010;Schwartz, Lilienfeld, Meca, & Sauvigné, 2016), quickly came to mind this spring while I was reading Johann Hari's (2018) new book "Lost Connections: Uncovering the Real Causes of Depression-and the Unexpected Solutions." Hari, a British journalist, provides a rich and sweeping account of the etiology of mood disorders and how we can go about lessening the burden of depressive illness.…”