与缺血性中风风险相关的水果和蔬菜摄入量
K J Joshipura1, A Ascherio, J E Manson
1Department of Epidemiology, Harvard School of Public Health, Boston, Mass, USA. hpkaj@gauss.med.harvard.edu
JAMA
|October 12, 1999
概括
更多的水果和蔬菜摄入量与缺血性中风风险降低有关. 具体来说,消费更多的十字植物蔬菜,绿叶蔬菜和类水果可以提供预防中风的保护性益处.
科学领域:
- 营养流行病学 营养流行病学
- 心血管疾病研究研究
- 公共卫生 营养 公共卫生 营养
背景情况:
- 关于水果和蔬菜消费与心血管疾病之间的联系的研究有限.
- 了解饮食对中风风险的影响对于公共卫生倡议至关重要.
研究的目的:
- 研究饮食摄入水果和蔬菜与缺血性中风的发生率之间的关联.
- 识别特定类型的水果和蔬菜,可以提供预防中风的保护.
主要方法:
- 一项前性队列研究,涉及来自护士健康研究和卫生专业人员随访研究的114,000多名参与者.
- 在8-14年的随访期间,基于五分之一的水果和蔬菜摄入量分析缺血性中风发病率.
- 对已确定的心血管风险因素进行统计控制.
主要成果:
- 摄入水果和蔬菜量最高的人与摄入水果和蔬菜量最低的人相比,缺血性中风风险显著降低.
- 每一天额外的水果或蔬菜份额与缺血性中风风险降低6%有关.
- 十字花蔬菜,绿叶蔬菜和类水果/果汁表现出最显著的保护作用.
结论:
- 饮食中摄入水果和蔬菜,特别是某些类型的水果和蔬菜,如十字花和绿叶蔬菜,与缺血性中风的风险降低有关.
- 这些发现支持增加水果和蔬菜摄入量的建议,以减轻中风风险.
- 进一步的研究可以探索这些保护性饮食效应背后的具体机制.
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