In mice, a high-fat diet cuts a ‘brake’ used to control appetite
The result shows how food can change the brain’s drive to eat
![a very obese mouse](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/06/062619_ls_obese-mouse_feat.jpg?fit=860%2C460&ssl=1)
CHOW After weeks on a high-fat diet, certain cells showed less activity in part of the appetite-controlling part of the brain in mice, results that suggest the fatty diet encourages overeating.
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