植物性饮食及其与身体表现的关联在巴尔的摩长度老龄化研究中
Galya Bigman1, Marius Emil Rusu2, Amber S Kleckner3
1Division of Gerontology, Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
Nutrients
|December 17, 2024
概括
坚持健康的植物性饮食 (hPDI) 可能会改善老年人的身体表现,而不健康的植物性饮食 (uPDI) 则会产生不良影响. 饮食质量是维持老龄人口功能健康的关键.
科学领域:
- 老年学和营养科学研究
- 衰老和身体表现的变化
- 饮食模式和健康结果
背景情况:
- 植物性饮食与健康益处有关,但它们对老年人身体功能的具体影响尚未得到充分证实.
- 了解不同类型的植物性饮食如何影响与年龄相关的身体衰退对于公共卫生建议至关重要.
- 巴尔的摩长度老龄化研究 (BLSA) 为研究这些关联提供了有价值的数据集.
研究的目的:
- 检查40岁及以上的成年人坚持植物性饮食和体力表现之间的关系.
- 为了确定以植物为基础的饮食模式是否提供保护作用,防止与年龄相关的功能恶化.
- 区分健康 (hPDI) 与不健康 (uPDI) 植物性饮食对身体结果的影响.
主要方法:
- 利用了1389名参与者 (年龄≥40) 在巴尔的摩长度老龄化研究 (BLSA) 的数据.
- 使用食物频率问卷 (FFQ) 评估饮食摄入量,将饮食分类为整体 (PDI),健康 (hPDI) 和不健康 (uPDI).
- 采用多变量线性混合效应模型来分析饮食模式和身体性能指标 (SPPB,握力,步行速度) 之间的关联.
主要成果:
- 健康的植物性饮食 (hPDI) 与更高的短物理性能电池 (SPPB) 分数和握力强度有关.
- 不健康的植物性饮食 (uPDI) 与较低的SPPB得分有关,这表明它可能对下肢功能产生有害影响.
- 这些关联即使在完全调整后也是显著的,并且在65岁及以上的老年人中是一致的.
结论:
- 在老年人中,坚持健康的植物性饮食 (hPDI) 可以支持下肢功能和肌肉力量.
- 不健康的植物性饮食 (uPDI) 似乎对身体表现有负面影响.
- 植物性食品的质量对于在衰老期间保持功能健康至关重要,需要进一步研究优化策略.
关键词:
老化的老化 衰老的老化步行速度 步行速度抓地力 抓地力 抓地力 抓地力肌肉质量 肌肉质量 肌肉质量肌肉的力量 肌肉的力量 肌肉的力量营养 营养 营养 营养年龄较大的成年人.身体功能 身体功能 身体功能短时间的物理性能电池电池.更多相关视频
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