745. 咖啡和茶摄入量与痴呆风险及认知功能研究 episode artwork

EPISODE · Mar 1, 2026 · 16 MIN

745. 咖啡和茶摄入量与痴呆风险及认知功能研究

from 知为谁 · host 知为谁

这项基于哈佛大学长期追踪数据的研究,探讨了饮用咖啡与茶对痴呆症风险及认知功能的影响。通过对超过13万名受试者长达43年的观察,研究发现增加咖啡因的摄入与较低的患病风险显著相关。具体而言,每天饮用2至3杯含咖啡因咖啡或1至2杯茶的人群,其认知表现更佳且主观衰退感较低。相比之下,脱咖啡因咖啡并未显示出类似的神经保护作用,这表明咖啡因可能是维持大脑健康的关键活性成分。研究强调,这种保护性联系在中等摄入量时最为明显,且不受个体遗传易感性的影响。内容来源:https://jamanetwork.com/journals/jama/article-abstract/2844764?guestAccessKey=c47ed8f5-4979-46ec-972b-0ff3c63d2a56&utm_medium=email&utm_source=postup_jn&utm_campaign=article_alert-jama&utm_content=olf-tfl_&utm_term=020926

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745. 咖啡和茶摄入量与痴呆风险及认知功能研究

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