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浓茶有醒脑提神之功效,原因就在于其中或多或少地含有一种咖啡因。近年来研究发现,浓茶中的咖啡因会大大增加老人发生骨折的危险。有大量饮茶习惯者容易在50岁以后发生各类骨折。平素饮用
The refreshing effect of tea is that it contains more or less a caffeine. In recent years, studies have found that caffeine in tea can greatly increase the risk of fractures in the elderly. A large number of tea drinking habits are prone to various types of fractures after the age of 50. Usually drink