吃水果和蔬菜会影响心理健康吗? 对已发表的受控干预研究进行系统审查和元分析
Katherine M Appleton1, Lucy R Boxall1, Olabimpe Adenuga-Ajayi1
1Department of Psychology, Bournemouth University, Poole, UK.
The British journal of nutrition
|June 30, 2023
概括
这次审查发现有限的证据表明,增加水果和蔬菜 (FV) 摄入量可以改善成年人的心理健康. 需要更多高质量的研究来证实FV消费对心理健康的任何潜在益处.
科学领域:
- 营养精神病学 营养精神病学
- 公共卫生干预 公共卫生干预
- 心理健康研究 心理健康研究
背景情况:
- 观察性研究表明,水果和蔬菜 (FV) 消费与改善心理健康之间存在联系.
- 专门检查成年人这种关联的受控干预研究很少.
- 现有证据需要进行系统评估,以提供公共卫生建议的基础.
研究的目的:
- 系统地审查和总结对照性干预研究,以了解消费紫外线对成人心理健康的影响.
- 识别和分析可用研究的质量,调查FV摄入量和心理健康结果.
- 确定支持FV消费改善心理健康的证据的强度.
主要方法:
- 在四个主要的学术数据库 (Medline,PsycINFO,PubMed,Web of Science) 中系统地搜索相关研究.
- 纳入标准:受控干预设计,FV消费,非FV对照组,验证的心理健康措施,健康的成年人或焦虑/抑郁症患者.
- 进行了元分析,以聚合效应大小;使用Cochrane协作领域评估了偏差风险.
主要成果:
- 这项审查包括了6项涉及691名参与者的研究.
- 分析显示,FV消费对心理健康 (SMD = 0.07) 和抑郁 (SMD = -0.15) 和焦虑 (SMD = -0.15) 症状的微小,不精确的影响.
- 从基线数据的变化 (SMD = 0.28) 中观察到对心理健康的潜在益处,尽管许多研究中偏差的总体风险很高.
结论:
- 目前来自受控试验的证据有限,表明水果和蔬菜消费对成人心理健康的影响很小.
- 包含的研究中的小效应大小和偏差高风险表明需要更强大的研究.
- 需要更强有力的证据才能推增加FV摄入量,专门用于改善心理健康.
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