Drinking some tea may lower the risk of diabetes

Drinking at least four cups of any of these teas per day has been linked with a 17% lower risk of developing type 2 diabetes over an average period of 10 years, according to research published Saturday. The research, which has not yet been published in a scientific journal, will be presented this week at the European Association for the Study of Diabetes annual meeting in Stockholm.

The association between tea drinking and type 2 diabetes risk has been studied before, but the results have been inconsistent, said Xiying Li, the first author of the research and a postgraduate student at the Wuhan University of Science and Technology in China.

“Our study has shown that the association between tea consumption and[type 2 diabetes]depends on the amount of tea consumed. Only adequate tea consumption may show a clinical effect,” Lee said via email. Said through. “Based on our findings, I would advise the public to consume more tea in their daily lives, if appropriate.”

The authors first studied 5,199 adults with no history of type 2 diabetes who participated in China Health and Nutrition Survey (CHNS). The CHNS is a prospective study examining the economics, social issues and health of residents of nine Chinese provinces. He was recruited in 1997 and followed until 2009. At the start of the study, participants provided information on lifestyle factors such as food and drink habits, exercise, smoking, and alcohol consumption.

Initially, the researchers found that tea drinkers and non-drinkers in their study had a similar risk of developing type 2 diabetes.

But when researchers decided to see if the amount consumed among tea drinkers did a systematic review of 19 cohort studies involving more than 1 million adults from eight countries, the results were different — more cups of green. , oolong or black tea participants drank daily, the risk of developing type 2 diabetes was similar. These studies tracked measures of whether participants drank less than one cup per day, one to three cups per day, or four or more teas.)

The authors caution that their research does not prove that drinking tea reduces the risk of type 2 diabetes, but does suggest that drinking tea likely contributes, according to a news release. They also noted that they relied on participants’ own assessments of their tea consumption and could not rule out the possibility that uncontrolled lifestyle and physiological factors could have influenced the results.

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Experts who were not involved in the research agreed with the authors’ acceptance of the current research’s shortcomings.

Professor of Metabolic Medicine Naveed Sattar said, “It may be that people who drink more tea avoid or drink less harmful sugary drinks or equivalent drinks, or they have other health behaviors that predispose them to type 2 diabetes.” Drive less risk.” at the University of Glasgow, said in a statement.

“The findings need to be taken with a very large pinch of salt (or cup of tea),” Kevin McConway, an emeritus professor of applied statistics at The Open University in the United Kingdom, said in a statement. “The problem with meta-analysis findings is that the devil is always in the detail, and we don’t have the details. Which studies were included? What was their quality? Which people, from which countries were the studies done?”

Lee said more research needs to be done to determine how green, black or oolong tea — and the amount consumed — might affect type 2 diabetes risk. News release,

“Special constituents in tea, such as polyphenols, may reduce blood glucose concentration by inhibiting the activity of α-glucosidase and/or inhibiting the activity of other enzymes, but a sufficient amount of the bioactive substance is required to be effective, ” said Lee. ,

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Polyphenols are substances found in many plants and give color to some flowers, fruits and vegetables. National Cancer Institute, Polyphenols have antioxidant properties, which may help prevent or delay cell damage in the body. bioactive substances Foods contain nutrients or non-nutrients that affect the way the body functions.

The take-home message is that lifestyle choices are important for managing type 2 diabetes risk, Duane Mellor, a registered dietitian and senior teaching fellow at Aston University in Birmingham, in the United Kingdom, said in a statement. Mailer was not involved in the research.

In addition to boiling your tea kettle, regular exerciseenough food Fruits, vegetables and grains and are using alternative sweeteners It is also associated with a lower risk of developing type 2 diabetes or better management of the disease.

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