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Horizon
Don't Worry, Be HappyMichael 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.
- Category
- Documentary / Science
- Original air date
- 2013-07-10
Cast and crew