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Wait long enough, and a study will come along that confirms one or another prejudice you harbor toward a particular food. Two years ago, it was fries, and the good word from the world of science back then was that eating the deep-fried spuds could help keep blood pressure under control better than certain supplements.

Now the other shoe has dropped. A new study appearing in the “Proceedings of the National Academy of Sciences of the United States of America” warns that eating fried foods, and especially potatoes, can adversely impact your mental health, though “the long-term effects of habitual fried food consumption on anxiety and depression and underlying mechanisms remain unclear.”

Our population-based study with 140,728 people revealed that frequent fried food consumption, especially fried potato consumption, is strongly associated with 12% and 7% higher risk of anxiety and depression, respectively. The associations were more pronounced among male and younger consumers.

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