饮食模式,认知和心脏代谢健康在健康的老年人之间的关系
Felicity M Simpson1,2, Alexandra Wade3,4, Ty Stanford3
1Functional Neuroimaging Laboratory, School of Psychological Sciences, University of Newcastle, Callaghan, NSW 2308, Australia.
Nutrients
|November 27, 2024
概括
健康的饮食支持大脑健康,但肉类主导的饮食可能会对老年人的长期记忆产生负面影响. 心脏代谢健康显著影响这种饮食-认知联系.
科学领域:
- 营养科学 营养科学
- 认知神经科学 认知神经科学
- 老年学是一门学科.
背景情况:
- 在老年人群中,健康的饮食模式对于保持认知功能和大脑健康至关重要.
- 饮食和心脏代谢风险因素独立地与认知有关,可能调解饮食-认知关系.
研究的目的:
- 研究不同饮食模式与老年人认知功能之间的关联.
- 为了检查心脏代谢健康标志物是否适度饮食和认知之间的关系.
主要方法:
- 从ACTIVate研究中获得的基线数据的横截面分析 (n=426,年龄在60-70岁).
- 通过澳大利亚饮食调查 (AES) 食物频率问卷评估的饮食摄入量.
- 使用剑桥神经心理测试自动化电池 (CANTAB) 评估认知功能;心脏代谢风险量化通过代谢综合征严重程度评分 (MetSSS).
主要成果:
- 主要成分分析 (PCA) 确定了三个饮食模式:植物主导,西方风格和肉类主导.
- 肉类主导的饮食模式在控制共变量后显示出与长期记忆的负相关性.
- 代谢综合征严重性评分 (MetSSS) 显著缓解了肉类主导饮食和长期记忆之间的关联.
结论:
- 在健康的老年人中,饮食,心脏代谢健康和认知功能是相互关联的.
- 需要进一步的纵向研究来证实这些发现,并了解随时间推移的动态相互作用.
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