进一步研究发现，在阿尔茨海默病和轻度认知障碍患者的大脑样本中，淀粉样蛋白形成的斑块中锂离子含量则显著升高。在模拟人类阿尔茨海默病的淀粉样前体蛋白转基因小鼠的大脑中，研究人员同样观察到类似的现象，即转基因小鼠大脑中淀粉样斑块区域的锂离子含量大幅高于其他区域，显示锂离子有可能被淀粉样斑块所“封印”，无法发挥其正常生理功能。
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。新收录的资料是该领域的重要参考
Each morning, Yakult's local sales centres dispatch delivery workers to visit dozens of households (Credit: Alamy)Every Monday for the past quarter-century, Furuhata has visited the same customer (who wants to remain anonymous) who is now 83 and lives alone in Maebashi, 100 miles north-west of Tokyo. Since her children have long left home, the elderly woman has come to treasure the visits. "Knowing that someone will definitely come to see my face each week is a tremendous comfort," she says. "Even on days when I feel unwell, hearing her say, 'How are you today?' at my doorstep gives me strength."
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