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The effects of long-term administration of guarana on the cognition of normal, elderly volunteers

机译:长期服用瓜拉那对正常的老年志愿者认知的影响

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Paulinia cupana (guarana) is a Brazilian plant given great prestige in popular medicine, for example as being a potent stimulator of brain functions. The authors assessed the effects of the long-term administration of guarana on the cognition of normal, elderly volunteers. Forty-five volunteers were studied, with a random distribution in three experimental groups: placebo (n=15), caffeine (n=15), and guarana (n=15), in a double-blind study. There were no significant cognitive alterations in these volunteers.
机译:Paulinia cupana(瓜拉那)是一种巴西植物,在流行医学中享有很高的声望,例如,它是脑功能的有效刺激剂。作者评估了长期服用瓜拉那对正常的老年志愿者认知的影响。在一项双盲研究中,对四十五名志愿者进行了随机分布,分为三个实验组:安慰剂(n = 15),咖啡因(n = 15)和瓜拉那(n = 15)。这些志愿者没有明显的认知改变。

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