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Back研究指出加工肉攝取量增加與失智症風險上升有關
研究指出加工肉攝取量增加與失智症風險上升有關
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自由时报2 hours agoHealth2 min readChinaView translation

研究指出加工肉攝取量增加與失智症風險上升有關

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2026年研究綜述發現,每天攝取加工肉增加25克,整體失智症風險上升44%,阿茲海默症風險增幅達52%。研究基於英國生物銀行49萬3888名參與者的觀察性資料,平均追蹤約8年,但無法證明因果關係。

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Why It Matters

加工肉如火腿、培根、香腸等常見於早餐和家庭餐桌,但其與失智症的關聯長期受到關注。此次研究整合多項證據,特別引用英國生物銀行的大規模觀察數據。

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2026/10/05 14:45

研究發現,加工肉攝取量增加與整體失智症及阿茲海默症風險上升有關。(資料照)

〔編譯陳成良/綜合報導〕火腿、培根、香腸等加工肉品常出現在早餐、三明治或家庭餐桌,但吃得多寡是否與失智症有關?2026年最新研究綜述整理既有證據發現,每天加工肉攝取量增加25克,整體失智症風險增加44%,其中阿茲海默症的風險增幅更高達52%。

據《福斯新聞》(Fox News)報導,這篇發表於《營養學年度評論》(Annual Review of Nutrition)的2026年研究綜述,由美國路易斯安那州立大學彭寧頓生醫研究中心(Pennington Biomedical Research Center)等機構研究人員共同撰寫,整理超加工食品與腦部老化、認知功能及失智症的相關證據。

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其中一項重要資料來自英國生物銀行(UK Biobank),分析49萬3888名參與者的飲食與健康資料,平均追蹤約8年。結果發現,每天加工肉攝取量每增加25克,整體失智症風險增加44%;進一步分析阿茲海默症,風險增加52%。

研究所稱的加工肉包括火腿、香腸、培根及熱狗等食品。這類食品在台灣也常見於早餐店的香腸蛋餅、火腿蛋餅、三明治、漢堡或家庭餐桌。不過,25克是研究分析採用的攝取量增幅,不代表吃到某個固定重量就一定會增加相同風險。

這項近49萬人的研究屬於觀察性世代研究,因此只能顯示加工肉攝取量與失智症風險之間的統計關聯,不能證明吃加工肉會直接造成失智症。2026年研究綜述也指出,超加工食品與腦部健康之間的可能機制仍需更多研究釐清。

Open Questions

  • 超加工食品影響腦部健康的具體生物機制是什麼?
  • 不同種類的加工肉是否具有相同風險?
  • 減少加工肉攝取是否能明顯降低失智症發生率?

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This article was originally published by 自由时报.

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