National Geographic·2026-10-21 19:00· 13 d agoFeaturedRecommendation94.64

What Alzheimer’s Blood Tests Can’t Tell You About Your Dementia Risk

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阿尔茨海默病血液检测能在症状出现前多年提示脑内蛋白变化，但对无症状者而言，阳性结果既不能可靠预测何时发病，也尚无获批的预防性治疗。现行指南因此不建议对无认知症状者进行检测，其价值仍待临床试验验证。

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Source:National Geographic · nationalgeographic.com

#Health & medicine #Scientific discovery #Public policy #Data & statistics #Cause & effect