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Does positive thinking work - even if you’re one of the country’s most unlucky people? And revealing how changing your mental state can even improve your immune system.

Tim Samuels brings Barrie and Margaret - and their tales of woe - face-to-face with positive-thinking gurus. Will they finally manage to alter their fortunes through a shift of attitude?

Tim also hears from a leading mind-body expert that having the right type of mental state - based in meaning - can improve survival rates for serious diseases and lead to better immune systems.

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