A persuasive and inspiring argument exploring the subject matter of his radical and brilliant book Lost Connections. Across the world, Hari found social scientists who were uncovering evidence that depression and anxiety are not caused by a chemical imbalance in the brain, as we are often told. In fact, they are largely caused by key problems with the way we live today. Once he had uncovered nine real causes of depression and anxiety, they led him to scientists who are discovering seven very different solutions – ones that work.