Would a psychopath by any other name be as scary? Martin Robbins: Jon Ronson's new book, The Psychopath Test, raises troubling questions about society's use of labels in tackling mental health issues
This column will change your life: inspirational quotes Self-help books are brimming with the inspiring words of Nelson Mandela… But did he really say those things? Oliver Burkeman finds out
What is Madness? by Darian Leader – review Darian Leader's study of madness contains superb insights but leaves Alexander Linklater with a sense of hopelessness
This column will change your life: but is it contagious? Why do we recoil from some ideas as if to embrace them might be catching? By Oliver Burkeman
Vitamin pills can lead you to take health risks Ben Goldacre: Trials show that people who think they've done something healthy, even if they haven't, smoke more and believe they are invulnerable to diseases
This column will change your life: Should memory boxes be given the boot? If you keep every object from your past as proof of your existence, read Oliver Burkeman's column right now
This column will change your life: Clocking off Is it time to go to the pub now, asks Oliver Burkeman