饮食习惯与抑郁症之间的关联:一项全饮食的门德尔随机化研究
Meng Li1, Kun Wang2, Jianmin Liu1
1Intensive Psychiatry, Zhengzhou Eighth People's Hospital, Zhengzhou, Henan Province, China.
Medicine
|February 24, 2026
概括
这项研究使用了门德尔的随机化来研究饮食和主要抑郁症 (MDD) 之间的因果关系. 研究结果显示,特定的饮食习惯,如盐和酒精摄入,与MDD风险有关,为预防提供了洞察力.
科学领域:
- 营养精神病学 营养精神病学
- 遗传流行病学遗传流行病学
- 心理健康研究 心理健康研究
背景情况:
- 饮食习惯与主要抑郁症 (MDD) 发病和进展有关.
- 饮食和MDD之间的直接因果关系仍然不完全理解.
- 调查饮食与MDD的联系对于公共卫生和个性化干预至关重要.
研究的目的:
- 系统地调查各种饮食习惯和MDD之间的因果关系.
- 确定特定的饮食成分,可能作为MDD的风险或保护因素.
- 为预防MDD的饮食干预提供基于证据的建议.
主要方法:
- 使用了两个样本的门德尔随机化 (MR) 方法.
- 从事全基因组关联研究 (GWAS) 总结统计数据来自英国生物银行 (饮食习惯) 和精神病基因组学联盟 (MDD).
- 结合MR估计使用加权中位数方法,并通过逆方差加权,加权模式和MR-PRESSO进行验证.
主要成果:
- 确定了MDD与五种饮食习惯之间的显著关联:增加添加到食物中的盐 (OR: 1.0182,P=0.0001),减少牛肉摄入 (OR: 0.9395,P=0.0003),增加油性鱼类摄入 (OR: 1.0592,P=0.0252),减少面包摄入 (OR: 0.9313,P=0.0420) 和增加酒精摄入频率 (OR: 1.0085,P=0.0341).
- 这些结果表明,特定的饮食模式对MDD的因果影响.
- 这些发现突出了MDD管理的潜在饮食目标.
结论:
- 特定的饮食习惯和严重抑郁症之间存在因果关系.
- 饮食因素,如盐,牛肉,油性鱼,面包和酒精摄入频率,代表了MDD的潜在风险或保护因素.
- 这些发现为通过饮食调节和营养策略预防MDD提供了新的参考.
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