12 August 2012 Last updated at 20:26 GMT

Olympics 2012: The highs and lows of winning gold

Feature on effects of winning Olympic medal

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Journalist Matthew Syed talks to previous Olympic medallists about the psychological effect of winning the ultimate sporting prize.

Speaking to former Olympians such as Denise Lewis, Michael Johnson and Matthew Pinsent, Syed discovers what happens after you've had your moment on the podium, and what's left once you've reached the top of your game.

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