Jon Kabat-Zinn at the Forum for Buddhism and Medicine in Montpellier, France.
Kabat-Zinn is the founder of Mindfulness-Based Stress Reduction, a programme that is used in more than 200 hospitals and medical centres around the world.
Here, he explains why the cultivation of 'moment to moment, non-judgemental awareness' can be a powerful antidote to worry, fear or depression.