老年人中维生素B2摄入量与认知表现之间的关联:NHANES的一项横截面研究
Kangkang Ji1, Minli Sun2, Li Li1
1Department of Clinical Medicine Research Centre, Binhai County People's Hospital, Yancheng, 224000, China.
Scientific reports
|September 20, 2024
概括
足够的维生素B2 ( рибофлавин) 摄入量与美国老年人更好的认知功能有关. 更高的摄入量,特别是超过推的饮食补贴,可能会防止认知能力下降.
科学领域:
- 营养科学 营养科学
- 老年学是一门学科.
- 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.
- 特定微量营养素,如维生素B2 ( рибофлавин) 在维持老年人的认知功能中的作用需要进一步阐明.
- 目前对美国老年人维生素B2和认知能力的研究是有限的.
研究的目的:
- 为了研究维生素B2摄入量与美国非医疗机构老年人的认知表现之间的关联.
- 为了确定维生素B2摄入量,特别是相对于推的饮食补贴 (RDA),是否会影响即时回忆,口语流和处理速度.
主要方法:
- 一项采用2893名美国60岁以上成年人数据的横截面研究.
- 维生素B2摄入量通过两个24小时的饮食回忆来评估.
- 用即时回忆测试 (IRT),动物流利性测试 (AFT) 和数字符号替换测试 (DSST) 来测量认知表现.
- 使用加权后勤回归和灵敏度分析,包括剂量反应曲线.
主要成果:
- 在维生素B2摄入量与所有三个认知测试 (IRT,AFT,DSST) 的表现差之间发现了显著的反向关联.
- 超过RDA的维生素B2摄入量与测试中认知表现低下的风险降低有关.
- 剂量反应分析表明,较高的维生素B2摄入量与认知障碍风险之间存在负面关系.
结论:
- 维生素B2摄入量与老年人的认知表现有关.
- 充足的维生素B2摄入量,特别是满足或超过RDA,可能在维持这一人口群体的认知功能方面发挥保护作用.
- 进一步研究诸如身体活动等因素对这种关系的调节效应是有必要的.
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