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Does junk food shrink your brain?

New research has shown for the first time that the part of the brain used for learning, memory and mental health is smaller in people with unhealthy diets.

The results of the study by researchers at Deakin University and the Australian National University (ANU) suggest that older Australians with unhealthy diets have smaller hippocampi – the hippocampus is a part of the brain believed to be integral to learning, memory and mental health. It has also shown that older people with healthier diets have larger hippocampi.

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