肉类消费和抑郁症:一个更新的系统审查和元分析
Andrea Luque-Martínez1, Ángel Francisco Ávila-Jiménez2,3, Ángela Reinoso-Espín2,3
1Service of Preventive Medicine and Public Health, Hospital Universitario San Cecilio, 18016 Granada, Spain.
Nutrients
|March 13, 2025
概括
一项元分析发现,无肉饮食始终与较低的抑郁风险有关. 然而,柔性饮食与抑郁症之间的关联仍然没有确定性,需要进一步研究心理社会因素.
科学领域:
- 营养精神病学是一种精神病学.
- 流行病学 流行病学
- 心理健康研究 心理健康研究
背景情况:
- 关于减少肉类摄入量与抑郁风险之间的关联,存在不一致的发现.
- 之前的研究缺乏全面的定量综合来澄清这种关系.
- 心理社会变量对这种关联的影响需要进一步研究.
研究的目的:
- 量化评估低肉食 (无肉和柔性饮食) 与抑郁风险之间的关系.
- 确定现有研究中异质性的来源.
- 探索心理社会因素在观察到的关联中的潜在作用.
主要方法:
- 按照PRISMA指南进行系统审查和元分析.
- 在主要数据库 (Medline,科学网,Scopus,PsychInfo) 进行全面的文献搜索,截至2024年1月.
- 包括20项纵向观察性研究,分析无肉和柔性饮食对抑郁症的作用,并对异质性和出版偏差进行评估.
主要成果:
- 在无肉饮食和抑郁症之间发现了显著的保护性关联 (HR:0.74,95%CI:0.59-0.89),在高质量的研究中一致.
- 异质性归因于研究质量,设计,出版年/国家,性别不平等以及变量调整.
- 柔性饮食和抑郁症之间的关联 (HR:0.90,95%CI:0.81-0.99) 在各个子组之间不一致.
结论:
- 无肉饮食显示出与降低抑郁风险的一致的保护性关联.
- 柔性饮食和抑郁症之间的联系是不确定的,需要进一步的研究.
- 未来的研究应该优先研究心理社会变量,以阐明这些饮食与抑郁症的关联.
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