Drinking pu-erh tea is purported to aid in digestion,reduce blood cholesteroland lipid levels.It is also widely believed in Chinese cultures to counteract the unpleasant effects of heavy alcohol consumption. In traditional Chinese medicine, the tea is believed to invigorate the spleen and inhibit "dampness." In the stomach, it is believed to reduce heat and "descends qi".
Pu-erh tea is widely sold as a weight loss tea or used as a main ingredient in such commercially prepared tea mixtures. Though there is as yet no empirically backed evidence as to how pu-erh might facilitate weight loss, there are widely proposed explanations include that the tea increases the drinker's metabolism , or that the high tannin content in the tea binds macronutrients and coagulate digestive enzymes, thus reducing nutrient absorption. Although evidence is still sparse, it has been shown that rats experience reduction in body weight, blood triglycerides, and blood cholesterol following a diet containing pu-erh tea.
Some pu-erh brick tea has been found to contain very high levels of fluorine, due to the fact that it is generally made from lesser quality older tea leaves and stems, which accumlulate fluorine.Its consumption has led to fluorosis (a form of fluoride poisoning that affects the bones and teeth) in areas of high brick tea consumption, such as Tibet.

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