Information<br>Michael Mosley explores the latest theories on how our personalities are created - and whether they can be changed. Despite appearances, Mosley is a pessimist who constantly frets about the future. He wants to worry less and become more of an optimist. He tries out two techniques to change this aspect of his personality - with surprising results. And he travels to the frontiers of genetics and neuroscience to find out about the forces that shape all our personalities.<br>BBC Horizon 2013 The Truth About Personality 720p x264 AAC HDTV-MVGrou<br><br>