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托福听力练习-科学美国人60秒:狭蹴生活空间与痴呆

2017-05-07 09:11:00来源：科学美国人60秒

点击查看>>科学美国人60秒音频：狭蹴生活空间与痴呆

　　科学美国人60秒听力练习：狭蹴生活空间与痴呆

　　科学美国人60秒英文文本

　　Keeping the brain active and engaged appears tocombat the cognitive decline associated withgetting older. Now a study has found a new, butrelated, factor in maintaining a sharp mind—thespace in which we live.

　　Researchers recruited almost 1,300 senior citizens, none of whom showed any signs of clinicaldementia at the start of the study. The participants had their cognitive function testedannually for up to eight years. And they also described their living space. For example, maybethey mostly hung around their bedroom. Perhaps they spent time in the yard. Or frequentlytraveled.

　　By the end of the study, 180 people had Alzheimers. And those whose life-space narrowed in ontheir immediate home were almost twice as likely to develop the condition as those whoventured out. The homebound folks also had an increased risk of other cognitive impairmentsand a faster rate of cognitive decline. The research was published in the American Journal ofGeriatric Psychiatry.[Bryan James et al., "Life Space and Risk of Alzheimer Disease, MildCognitive Impairment, and Cognitive Decline in Old Age"]

　　The study’s lead investigator, Bryan James of the Rush University Medical Center in Chicago, suggests that, “Perhaps life space is an indicator of how much we are actively engaging andchallenging our cognitive abilities.”

　　—Cynthia Graber

　　中文翻译请点击下一页

本文关键字: 托福听力 科学美国人60秒

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