Black tea may slash Parkinson's disease risk

Black tea may slash Parkinson's disease risk
2008.02.22
" Drinking at least 23 cups of black tea a month, or about three-quarters of a cup a day, may slash the risk of developing Parkinson's disease by a whopping 71 per cent, suggests new research from Singapore. The benefits of the beverage were not linked to the caffeine content, suggest the results of the study of 63,257 Chinese men and women published in the American Journal of Epidemiology...Despite results from previous studies reporting that green tea may reduce the risk of Parkinson's, the new study, reported no benefits among participants of the Singapore Chinese Health Study...Ingredients of black tea other than caffeine appear to be responsible for the beverage's inverse association with Parkinson's disease,"..."A key difference between black tea and green tea lies in the types and amounts of flavonoids. Green teas contain more of the simple flavonoids called catechins. But when black tea is made, the catechins undergo oxidation resulting in the generation of more complex varieties, called thearubigins and theaflavins."..."The underlying mechanisms for this protective effect of black tea on Parkinson's disease remains unclear until further research is done. But drinking even one cup of black tea per day could help to reduce the risk of Parkinson's disease,""

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