research: Does junk food shrink your brain?

来源: 2021-06-06 18:20:39 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读: 次 (1470 bytes)
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https://www.deakin.edu.au/about-deakin/news-and-media-releases/articles/does-junk-food-shrink-your-brain

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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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The results of the study, now published in the international journal BMC Medicine, suggest that older adults who eat more unhealthy foods, such as sweet drinks, salty snacks and processed meats, have smaller left hippocampi. It also shows that older adults who eat more nutrient-rich foods, such as vegetables, fruits and fish, have larger left hippocampi. These relationships existed over and above other factors that may explain these associations, such as gender, levels of physical activity, smoking, education or depression itself.

These findings have relevance for both dementia and mental health, Associate Professor Jacka said.

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