绿茶

绿茶常用来协助多种身体系统，包括内分泌系统、循环系统和牙齿健康。

绿茶是从山茶属植物中提取的。它可以提高心理警觉性和注意力。它被用于预防癌症、人乳头状瘤病毒（HPV），治疗克罗恩病、帕金森氏症、心脏和血管疾病、糖尿病、低血压、肾结石和蛀牙。饮用过量绿茶可导致头痛、紧张、失眠、呕吐、腹泻、心跳不规则、头晕、抽搐和神志不清等症状。

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