Some self-help books offer potentially harmful advice on positive thinking, as I noted in in last week's Your Mental Health column in The Southern Star. The column is reproduced below. It’s better to view the glass as half-full rather than half-empty, but be warned: an excessive focus on positive thinking is not good for your mental health. In particular, I’m thinking of some of the advice doled out in popular self-help books that preach the gospel of positive thinking – books like Norman...