撰文丨王聪 编辑丨王多鱼 排版丨水成文 2025 年 11 月 4 日， Nature 头条报道了一项研究成果—— 只需每天走上几千步，阿尔茨海默病的病情 发展就会减缓。 这项研究来自 麻总百瀚 （ Mass General Brigham ） / 哈佛医学院，于 2025 年 11 月 3 日在线发表于 国际顶尖医学期刊 Nature Medicine ，论文题为： Physical activity as a modifiable risk factor in preclinical Alzheimer's disease 。 该研究对 认知功能未受损的老年人进行了 14 年的追踪，发现 每天步行超过 5000 步或可降低阿尔茨海默 病临床前期的 tau 蛋白积累和认知衰退 。这是首批探索不同运动强度和阿尔茨海默病关键生物标志物间关 系的研究之一，并且提出了对老年人而言较易实现的运动目标，以减缓疾病进展。 在这项最新研究中，研究团队对参与哈佛衰老大脑研究 （Harvard Aging Brain Study） 项目的 296 名老 年人 （50-90 岁） 进行了定期检查，该项目旨在探究阿尔茨海默病的早期 ...

Core Insights - The article highlights the significant role of stable electricity supply in the growth and efficiency of the Gansu Qianjin Animal Husbandry Technology Co., Ltd., particularly in their fully electrified dairy farming operations [3][5][6] Group 1: Company Overview - Gansu Qianjin Animal Husbandry Technology Co., Ltd. is located in Zhangye, a region known for its favorable climate and rich resources for dairy farming [3] - The company has expanded its operations significantly, driven by increasing electricity demands due to the adoption of smart equipment [3][5] Group 2: Electricity Supply and Infrastructure - The electrification project for the farm began in 2020, with the power supply company quickly mobilizing technical teams to meet the growing electricity needs [5] - The company established a "green channel" for electricity business processing, ensuring smooth operations and timely support for the farm's expansion [5] - A dedicated team was formed to assist in the construction of a 0.5 km dedicated 10 kV line and the installation of four transformers [5] Group 3: Technological Advancements and Efficiency - The farm utilizes fully automated milking equipment, which has significantly increased milking efficiency and reduced operational costs by over 1 million yuan annually [5] - Advanced hardware such as pedometers, electronic ear tags, and collars are used to collect and upload real-time data on cow health, enhancing production efficiency and product quality [5] Group 4: Business Impact and Achievements - The support from the State Grid Zhangye Power Supply Company has enabled Qianjin Animal Husbandry to achieve zero defects in products and zero complaints from customers, establishing it as a leading large-scale animal husbandry enterprise in the province [5]