Garry has tried it all to lose weight, from the Biggest Loser to meal replacement shakes. And despite temporary victories, the kilos always pile back on. Are Garry's gut bacteria keeping him fat and can the Gut Revolution help him? Nutrition scientist Dr Joanna McMillan and her team of experts explore new and controversial science that suggests gut bacteria might just be affecting our appetites and moods
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Originally produced by Australian Broadcasting Corporation in 2017
