研究发现,有早期老年阿尔茨海默症症状的老年人每天步行3000至7,500步,减缓了认知下降的速度。 Older adults with early Alzheimer’s signs slowed cognitive decline by walking 3,000–7,500 steps daily, study finds.

一项发表在"自然医学"杂志上的新观察研究发现,老年人有阿尔茨海默氏症早期生物症状,如高蛋白,通过增加每日步骤可能会减缓认知能力的下降. A new observational study published in Nature Medicine finds that older adults with early biological signs of Alzheimer’s, such as elevated tau proteins, may slow cognitive decline by increasing daily steps. 那些每天走3 000至5 000个步骤的人推迟了大约3年的下降,而5 000至7 500个步骤导致长达7年的延迟,其福利超过了这一水平。 Those walking 3,000 to 5,000 steps daily delayed decline by about three years, while 5,000 to 7,500 steps led to up to seven years of delay, with benefits plateauing beyond that. 这项研究将较高的活性与较慢的Tau积累(与记忆丧失密切相连)相联系,但与乙型酰胺水平的变化无关。 The study linked higher activity to slower tau accumulation—closely tied to memory loss—but not to changes in beta-amyloid levels. 虽然不能证明是因果关系,但调查结果表明,体育活动可能有助于保护面临风险的个人的脑健康。 Though it does not prove causation, the findings suggest physical activity may help protect brain health in at-risk individuals.