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Published on Jun 20, 2012
More about this programme: http://www.bbc.co.uk/programmes/b01k6l6l In the 1970s fast food restaurants were revolutionising the way Americans ate. Families were taking advantage of the cheap, convenient food on offer. Obesity simply wasn't an issue. But one man, Professor Anthony Sclafani was carrying out studies on rats that would reveal our own insatiable appetite for sugary, fatty foods.