复合饮食抗氧化剂在老年人认知功能中的作用:来自NHANESES的见解
Fangsen Chen1,2, Junhan Chen1,2, Peitian Liu1,2
1Department of Endocrinology and Metabolism, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.
Frontiers in nutrition
|November 1, 2024
概括
通过综合饮食抗氧化剂指数 (CDAI) 衡量的饮食抗氧化剂的摄入量较高,与老年人更好的认知功能有关. 这表明抗氧化剂可能有助于对抗与年龄相关的认知衰退.
科学领域:
- 营养科学 营养科学
- 老年学是指老年学的学科.
- 认知神经科学 认知神经科学
背景情况:
- 认知能力下降是老年人群的一个重大问题.
- 饮食因素,特别是抗氧化剂,越来越多地被认为对大脑健康的作用.
研究的目的:
- 研究综合饮食抗氧化剂指数 (CDAI) 与老年人的认知功能之间的关联.
- 为了确定增加抗氧化剂摄入量是否会影响成年人的认知能力.
主要方法:
- 来自2011-2014年国家健康和营养检查调查 (NHANES) 的60岁以上2516名参与者的数据分析.
- 使用CERAD单词学习和回忆,动物流利性和数字符号替换测试来评估认知表现.
- 多变量回归模型根据共变量进行调整,以检查CDAI和认知结果.
主要成果:
- 在多个测试中,在较高的CDAI得分和更好的认知表现之间发现了显著的积极关联.
- 在CERAD单词学习,延迟回忆,动物流利性和数字符号替换测试中注意到了具体的改进.
- 在女性,80岁以上的个人,非西班牙裔黑人个人和教育程度较低的人群中观察到增强的认知益处.
结论:
- 富含抗氧化剂的饮食可能是一个可行的策略,以减轻与年龄相关的认知衰退.
- 增加抗氧化剂消费的饮食建议可能会对老年人产生公共卫生影响.
- 需要进一步的研究来证实这些发现,并探索潜在的机制.
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