尿液度与老年人认知功能之间的关联:NHANES 2011-2014
Zeyong Sun1, Fengyang Song1, Xiaojuan Wei1
1Department of Nuclear Medicine People's Hospital of Guangxi Zhuang Autonomous Region Nanning China.
Food science & nutrition
|September 5, 2025
概括
与预期相反,老年人的缺乏与较低的认知衰退风险有关. 与缺乏相比,充足的摄入量与较高的风险有关.
科学领域:
- 老年学
- 营养科学
- 神经科学
背景情况:
- 在老年人群中, 认知能力下降是一个越来越严重的问题.
- 对于老年人的认知健康,对甲状腺激素合成至关重要.
- 目前关于和认知的研究主要集中在年轻人群或特定疾病中.
研究的目的:
- 研究美国老年人尿酸度与认知功能之间的关联.
- 解决老年人对状态和认知能力下降的知识差距.
- 探索老年人不同水平的摄入量与认知能力之间的潜在联系.
主要方法:
- 使用了2011-2014年国家健康和营养检查调查 (NHANES) 的数据.
- 使用单词学习/回忆 (CERAD),动物流利性和数字符号替换测试 (DSST) 评估认知功能.
- 根据平均认知测试z分数将参与者分为低和正常的认知状态.
主要成果:
- 与充足的摄入量 (UIC100- 199μg/ L) 相比,缺乏 (UIC< 100μg/ L) 与认知能力下降的风险显著降低 (调整后OR=0. 54, p=0. 046).
- 在摄入量超过适当范围 (≥200μg/ L) 时,没有发现显著的关联.
- 这项横截面研究是首次将UIC与老年人的认知结果联系起来.
结论:
- 与假设相反,缺乏可能与老年人认知能力下降的风险有关.
- 需要进一步研究以阐明这种意想不到的关联背后的机制.
- 这些发现凸显了和认知健康之间的复杂关系.
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