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Green Tea Consumption Affects Cognitive Dysfunction in the Elderly: A Pilot Study
AbstractGreen tea is known to have various health benefits for humans. However, the effect of green tea consumption on cognitive dysfunction remains to be clinically verified. We conducted a clinical study to investigate the effects of green tea consumption on cognitive dysfunction. Twelve elderly nursing home residents with cognitive dysfunction (Mini-Mental State Examination Japanese version (MMSE-J) score: <28) participated in the study (2 men, 10 women; mean age, 88 years). The participants consumed green tea powder 2 g/day for 3 months. After three months of green tea consumption, the participants’ MMSE-J scores were significantly improved (before, 15.3 ± 7.7; after, 17.0 ± 8.2; p = 0.03). This result suggests that green tea consumption may be effective in improving cognitive function or reducing the progression of cognitive dysfunction; however, long-term large-scale controlled studies are needed to further clarify the effect.
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Ide, K.; Yamada, H.; Takuma, N.; Park, M.; Wakamiya, N.; Nakase, J.; Ukawa, Y.; Sagesaka, Y.M. Green Tea Consumption Affects Cognitive Dysfunction in the Elderly: A Pilot Study. Nutrients 2014, 6, 4032-4042.View more citation formats
Ide K, Yamada H, Takuma N, Park M, Wakamiya N, Nakase J, Ukawa Y, Sagesaka YM. Green Tea Consumption Affects Cognitive Dysfunction in the Elderly: A Pilot Study. Nutrients. 2014; 6(10):4032-4042.Chicago/Turabian Style
Ide, Kazuki; Yamada, Hiroshi; Takuma, Norikata; Park, Mijong; Wakamiya, Noriko; Nakase, Junpei; Ukawa, Yuuichi; Sagesaka, Yuko M. 2014. "Green Tea Consumption Affects Cognitive Dysfunction in the Elderly: A Pilot Study." Nutrients 6, no. 10: 4032-4042.
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