Horizon: Why Are We Getting So Fat?
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We are in the midst of an obesity epidemic. Over 60% of adults in the U.K. are currently classed as overweight or obese, and this figure is set to rise. Is it really as simple as eating less and exercising more?
Cambridge geneticist Dr. Giles Yeo meets some of Britain’s largest people to find out. From rare genetic mutations to the prevalence of energy-dense foods, our experiences in the womb to our early childhood, Giles uncovers the factors that could play a part in weight gain.