Michael Mosley explores the latest science about 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 frontie...展开
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Raoul Poole Robert Earl Council Melvin Ray Sandy Ray Brandon Davis Hank Sherrod James Sales Quante Cockrell Stacy George Steve Marshall Nikki Catrice Earnestine Council Robert Earl Council Sr. Ciara Council