Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.

Our objective was to determine whether the consumption of green tea, coffee, or black tea influences the incidence of dementia and mild cognitive impairment (MCI) in older people. We conducted a population-based prospective study with Japanese residents aged >60 years from Nakajima, Japan (the Na...

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Autores principales:	Moeko Noguchi-Shinohara, Sohshi Yuki, Chiaki Dohmoto, Yoshihisa Ikeda, Miharu Samuraki, Kazuo Iwasa, Masami Yokogawa, Kimiko Asai, Kiyonobu Komai, Hiroyuki Nakamura, Masahito Yamada
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0d5222905f174d2e9b7bd50d79d6ec0d
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spelling	oai:doaj.org-article:0d5222905f174d2e9b7bd50d79d6ec0d2021-11-18T08:19:19ZConsumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.1932-620310.1371/journal.pone.0096013https://doaj.org/article/0d5222905f174d2e9b7bd50d79d6ec0d2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24828424/?tool=EBIhttps://doaj.org/toc/1932-6203Our objective was to determine whether the consumption of green tea, coffee, or black tea influences the incidence of dementia and mild cognitive impairment (MCI) in older people. We conducted a population-based prospective study with Japanese residents aged >60 years from Nakajima, Japan (the Nakajima Project). Participants received an evaluation of cognitive function and blood tests. The consumption of green tea, coffee, and black tea was also evaluated at baseline. Of 723 participants with normal cognitive function at a baseline survey (2007-2008), 490 completed the follow up survey in 2011-2013. The incidence of dementia during the follow-up period (mean ± SD: 4.9 ± 0.9 years) was 5.3%, and that of MCI was 13.1%. The multiple-adjusted odds ratio for the incidence of overall cognitive decline (dementia or MCI) was 0.32 (95% CI: 0.16-0.64) among individuals who consumed green tea every day and 0.47 (95% CI: 0.25-0.86) among those who consumed green tea 1-6 days per week compared with individuals who did not consume green tea at all. The multiple-adjusted odds ratio for the incidence of dementia was 0.26 (95% CI: 0.06-1.06) among individuals who consumed green tea every day compared with those who did not consume green tea at all. No association was found between coffee or black tea consumption and the incidence of dementia or MCI. Our results indicate that green tea consumption is significantly associated with reduced risk of cognitive decline, even after adjustment for possible confounding factors.Moeko Noguchi-ShinoharaSohshi YukiChiaki DohmotoYoshihisa IkedaMiharu SamurakiKazuo IwasaMasami YokogawaKimiko AsaiKiyonobu KomaiHiroyuki NakamuraMasahito YamadaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 5, p e96013 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Moeko Noguchi-Shinohara Sohshi Yuki Chiaki Dohmoto Yoshihisa Ikeda Miharu Samuraki Kazuo Iwasa Masami Yokogawa Kimiko Asai Kiyonobu Komai Hiroyuki Nakamura Masahito Yamada Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
description	Our objective was to determine whether the consumption of green tea, coffee, or black tea influences the incidence of dementia and mild cognitive impairment (MCI) in older people. We conducted a population-based prospective study with Japanese residents aged >60 years from Nakajima, Japan (the Nakajima Project). Participants received an evaluation of cognitive function and blood tests. The consumption of green tea, coffee, and black tea was also evaluated at baseline. Of 723 participants with normal cognitive function at a baseline survey (2007-2008), 490 completed the follow up survey in 2011-2013. The incidence of dementia during the follow-up period (mean ± SD: 4.9 ± 0.9 years) was 5.3%, and that of MCI was 13.1%. The multiple-adjusted odds ratio for the incidence of overall cognitive decline (dementia or MCI) was 0.32 (95% CI: 0.16-0.64) among individuals who consumed green tea every day and 0.47 (95% CI: 0.25-0.86) among those who consumed green tea 1-6 days per week compared with individuals who did not consume green tea at all. The multiple-adjusted odds ratio for the incidence of dementia was 0.26 (95% CI: 0.06-1.06) among individuals who consumed green tea every day compared with those who did not consume green tea at all. No association was found between coffee or black tea consumption and the incidence of dementia or MCI. Our results indicate that green tea consumption is significantly associated with reduced risk of cognitive decline, even after adjustment for possible confounding factors.
format	article
author	Moeko Noguchi-Shinohara Sohshi Yuki Chiaki Dohmoto Yoshihisa Ikeda Miharu Samuraki Kazuo Iwasa Masami Yokogawa Kimiko Asai Kiyonobu Komai Hiroyuki Nakamura Masahito Yamada
author_facet	Moeko Noguchi-Shinohara Sohshi Yuki Chiaki Dohmoto Yoshihisa Ikeda Miharu Samuraki Kazuo Iwasa Masami Yokogawa Kimiko Asai Kiyonobu Komai Hiroyuki Nakamura Masahito Yamada
author_sort	Moeko Noguchi-Shinohara
title	Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
title_short	Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
title_full	Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
title_fullStr	Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
title_full_unstemmed	Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
title_sort	consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/0d5222905f174d2e9b7bd50d79d6ec0d
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Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.

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