Junk food re-trains your brain and makes you think you need more food, the research could be a needed link to cut down on the nations obesity epidemic.

Dr Ian Johnston from the University of Sydney researched how people’s brain reacts to a high-fat, high sugar diet.

“The main thing that it does, it thinks ‘Wow, that’s fantastic’ and then what seems to happen is that it changes the way in which you make decisions about whether or not you should be eating more food,” Dr Johnston told 6PR Breakfast.

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