‘I don’t believe in God, but I believe in lithium’ is the title of Jamie Lowe’s moving account of her manic depression (now usually referred to as bipolar disorder) in the New York Times (http://mobile.nytimes.com/2015/06/28/magazine/i-dont-believe-in-god-but-i-believe-in-lithium.html?referrer=). The piece reminds us how devastating and frightening this condition can be, so it is understandable that the author put…