Check your intuitions
Four tests by Daniel Kahneman to assess your predictable irrationality
Daniel Kahneman: ‘We’re beautiful devices’
Called the world's most important psychologist, Daniel Kahneman inspired the trend for pop-psychology books, won a Nobel in economics and has devoted his life to studying the logic of irrationality
Mirror therapy may help to reduce the pain of arthritis
An optical illusion involving a mirror can trick the brain into reassessing a hand with arthritis as healthy and pain-free
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
A new view of self-harm
The phenomenon has spread to older people over the past 10 years. Why?
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