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Processed food designed to make people eat more - study

Ever thought about how irresistible junk food is? New research from Auckland University has found that Ultra Processed food or UPF is designed and marketed to achieve exactly those emotional and biological reaction. So, it raises the question; is over consumption of junk food just about personal choice or is big food taking advantage of how people think feel and behave? University of Auckland's Dr Joshua Clark spoke to Lisa Owen.

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