Tea is the most commonly consumed beverage in the world, after water. Evidence for a range of diverse health benefits associated with tea consumption is emerging through new academic studies. The aim of this review was to evaluate research on three new areas of interest in relation to tea drinking:
(1) weight management (and glycaemic control)
(2) oral health
(3) gut health
Databases were searched for meta-analytical, human intervention and epidemiological studies published between 1990 and 2013. For weight management, modest, positive effects were found for green tea when ingested by overweight/obese adults, possibly related to thermogenic effects.
A growing body of mechanistic studies suggests that tea has anti-cariogenic, anti-adhesive, anti-bacterial and possible pre-biotic effects – all with the potential to impact positively on the pathogenesis of some chronic diseases. Clearly, larger trials are needed to confirm these effects in humans and establish optimal intakes. In the meantime, tea drinking appears to be a simple and beneficial way to support health.
The journal paper can be accessed here: https://onlinelibrary.wiley.com/doi/10.1111/nbu.12040
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