Drinking Tea, Especially Herbal Tea, May Help You Live Longer

Time09:37 Date26-05-2020 Hits218 Views

Drinking tea, especially herbal tea at least three times a week could reduce the risk of dying from cardiovascular disease and is linked with a longer and healthier life, at least in China, a new study suggests.

Tea Basics low res 1

Chinese researchers found the health benefits associated with tea were more pronounced for drinkers of green tea, and for those who had been drinking tea regularly over a longer period of time. The benefits were also clearer among men, the study indicated.
Researchers looked at data from 100,902 Chinese people with no history of heart attack, stroke or cancer and divided them into two groups: habitual drinkers who drank tea three or more times a week, those who never drank tea, and those who drank it less regularly. They followed up with them after a seven-year period.
Their analysis found that regular tea drinkers had a 20% lower risk of having heart disease and stroke, and a 22% lower risk of dying from heart disease and stroke. Specifically, they found that regular tea drinkers could expect to live 1.26 years longer at age 50 than those who did not regularly enjoy a cup of tea.
"We found that the protective effects of habitual tea consumption were very pronounced and robust across different outcomes for men, but only modest for women," Dr. Dongfeng Gu from China's National Center for Cardiovascular Disease, Peking Union Medical College and the Chinese Academy of Medical Science said via email.
"One reason might be that the proportion of habitual tea consumers among men was approximately two and a half [times] as high as that among women," Gu said. Some 48% of the men in the study were regular tea drinkers, compared with 20% of women.
Gu said Chinese women were more likely to drink herbal tea made from rosebuds or lotus leaves or forest bitter melon tea.
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In their analysis, the researchers controlled for some factors like smoking, drinking, diet and physical activity that could have explained the link between tea drinking and longevity. However, as an observational study it can't establish cause and effect, only association.
"Other things to consider that are not mentioned in the study are: Firstly, what those who weren't drinking tea were drinking -- was tea replaced by sugary drinks or caffeinated beverages ... and was that what increased their risk...?" said Jodie Relf, a registered dietitian and spokesperson for the British Dietetic Association.
As the world's most popular drink after water, Gu said that tea-drinking habits varied from place to place and the findings might not apply to Western countries, where black tea was a more popular choice -- often taken with milk or sugar.

"Tea consumption is part of cultural heritage, and its health effects might be confounded by other eating and drinking patterns, for example, consumption of other flavonoid-rich food or beverages like coffee."
The conclusions of previous research on the health benefits of tea have been inconsistent, Gu said, with the study noting that green tea had been associated with a lower risk of cardiovascular disease in Japan but in the UK no link was observed with black tea taken with milk.
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"This study strengthens the body of evidence that habitual tea drinking is associated with lower rates of atherosclerotic cardiovascular disease, though it cannot prove that it's definitely the tea that's responsible," Dr. Jenna Macciochi, a lecturer in immunology at the University of Sussex, told the SMC.
However, she noted that "a body of evidence in nutrition suggests that whole diet patterns are more informative of diet-disease relationships than any isolated food or nutrient."

Dr. Duane Mellor, a registered dietitian and senior teaching fellow at Aston Medical School, Aston University, said that while herbal tea or green tea is safe and may have benefits, herbal tea or green tea supplements "should be considered carefully as there has been a number of cases of liver damage reported in individuals who have consumed these in large doses."
Source: CNN Health

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