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It has been claimed that the current generation of children may have a shorter life span than their parents because of obesity. But is this true? Ruth Alexander looks at the data and explores the ‘Obesity Paradox’ – the idea that overweight people are less likely to die than those of normal weight.

She also questions whether bonuses in The World Cup have improved performances.

Producer: Laura Gray

Picture: FDA Claims 13% of Children Aged 6 - 11 are obese. Credit: Tim Boyle/Getty Images. Photograph taken in 2003