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饮食里博夫拉摄入量与老年人认知能力下降之间的关联:一个横截面分析
Kai Zhang1, Tianyi Cai1, Yu Han2
1Cardiovascular Surgery Department of Jilin University Second Hospital, Changchun, People's Republic of China.
饮食中较高的 рибофлавин摄入量与美国成年人的认知能力下降有关. 这一发现表明,维生素B2可能在维持认知功能方面起着保护作用.
科学领域:
- 营养科学 营养科学
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 饮食里博夫拉 (维生素B2) 和认知衰退之间的关系存在有限的研究.
- 研究这种关联对于理解营养对大脑健康的影响至关重要.
研究的目的:
- 检查美国成年人群中饮食里博弗拉摄入量与认知衰退之间的关联.
- 为了确定更高的 рибофлавин 消费与更好的认知表现是否相关.
主要方法:
- 利用了2011-2014年国家健康和营养检查调查 (NHANES) 的数据.
- 使用测试来评估认知功能,如Word Learning延迟回忆,数字符号替换测试,动物流利测试和Z测试.
- 采用多变量逻辑回归,受限立方线和子组分析来评估关联.
主要成果:
- 总共有2,255名成年人被纳入;23.8%的认知能力下降.
- 在多个认知测试中,高摄入的利博弗拉与较低的认知障碍风险显著相关.
- 观察到一个L形的关联,转折点约为2.984毫克/天.
结论:
- 饮食里博夫拉摄入量与美国成年人的认知能力下降有负面关联.
- 研究结果表明, рибофлавин可能对认知障碍有保护作用.
- 需要进一步的研究来证实这些发现并探索机制.
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