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缺牙不刷牙 恐罹「老年癡呆」
2 years ago
1
2023年9月22日
不愛刷牙恐怕在老年時罹患失智的風險更高,近日日本東北大學就有研究分析,牙齒、牙齦的健康與高齡族群罹患失智症有很大關係;另外研究也顯示,老年人平均少1顆牙腦部衰退的速度就會加快1年。
據日媒報導,來自日本宮城縣仙台市東北大學醫院口腔的機能科講師山口哲史,他帶領團隊首先針對55歲以上的成年人測試記憶力,以及進行牙齒健康及過往疾病調查,再從其中挑選172位無記憶力衰退跡象的成年人做常達4年的追蹤觀察。
詳細紀錄觀測對象的「牙齒數量」、「是否罹患牙齦疾病」等進行調查後,再透過磁振造影(MRI)觀測大腦海馬體,就發現有3項因素與海馬體的萎縮、毀損程度有關聯,尤其是「牙齒數量多寡」以及「牙齦病症嚴重程度」。
據報導,研究中「健康牙齒數量少」與「牙齦病症輕微」的患者,左側海馬體萎縮速度更快,平均少1顆牙齒,腦部老化速度就加快1年;若牙齦病症嚴重、有較多數量的牙齒受影響時,平均少1顆牙齒,海馬體老化速度就會加快至1.3年。
更多其他精彩話題內容:https://scalloped-capybara-acc.notion.site/Health-Today-718e21949e6245e9b2e4d0acc93ed0e4
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