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Association between tea consumption and cognitive function in cognitively healthy older adults and older adults with mild cognitive impairment

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General Psychiatry 2021年第4期34卷 44-50页

作者： Hua Xu alexandra J Fiocco Xiaohua Liu Tao Wang Guanjun Li Shifu Xiao the research group of Shanghai Brain Aging Study Department of Psychiatry Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina Alzheimer’s Disease and Related Disorders Center Shanghai Jiao Tong UniversityShanghaiChina Department of Psychology Ryerson UniversityTorontoOntarioCanada Department of Geriatric Psychiatry Shanghai Mental Health CenterShanghai Jiao Tong UniversityShanghaiChina 不详

Background Prospective studies suggest that tea consumption may decrease the risk for cognitive impairment in late ***,little research has examined the association between tea consumption and cognitive performance across multiple *** addition,no research has examined the benefit of tea consumption on cognitive performance among older adults with existing *** The current study examined the association between tea consumption and performance on tasks of global cognitive function,episodic memory and executive function in cognitively healthy(CH)older adults and older adults with mild cognitive impairment(MCI).Methods The analytical sample included 1849 community-dwelling older adults from the Shanghai Brain Aging Study(65.6%female,mean age of 69.50(8.02)years).Following ascertainment of cognitive function,816 were categorised as *** addition to completion of a demographics questionnaire,participants reported their tea consumption and completed a battery of tests to measure global cognitive function,episodic memory and working *** Independent analyses of covariance revealed a significant association between tea consumption and measures of episodic memory;however,these associations were restricted to CH older adults but not older adults with *** consumption was not associated with working memory *** The current study suggests that the benefit of tea consumption is restricted to cognitively healthy older adults and does not extend to older adults with MCI.

关键词： impairment function cognitive

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