We would be smart to put in a general knowledge to get an answer to this question. Tea leaves that grow in polluted places are less efficient or you can say more harmful. Ion Z Pills Whereas teal leaves found in places where pollution is less proves to be more beneficial for health. Hence tea grown at higher altitudes helpful for health e.g. Green tea supplement. White teas are even efficient but is stronger than green tea. One should go for herbal tea that is light on system and helpful for most ways. Other teas have got benefits but harmful effects are well over beneficial aspects. So opt for herbal tea and live longer!

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