Black tea consumption linked to lower risk of death

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The study found that people who drank two or more cups of black tea per day had a 9 to 13 percent lower risk of death.

Can Drinking Tea Lower Your Risk of Death?

According to a prospective cohort study, drinking black tea may be associated with a slightly reduced risk of death. Those who drank two or more cups of tea each day had the lowest risk of death. The study was recently published in the journal Annals of Internal Medicine.

Tea is one of the most popular drinks in the world. Previous research has shown a link between tea drinking and a reduced risk of death in communities where green tea is the most commonly consumed form of tea. In contrast, published studies in populations where black tea use is more prevalent yield inconsistent results.

Using data from the UK Biobank, researchers at the National Institutes of Health conducted a study to examine the links between tea consumption and death from all causes and causes. They also looked at whether the relationships differed based on the use of typical tea additives (milk and sugar), tea temperature, and genetic variants that determine how quickly individuals metabolize caffeine.

The UK Biobank contains data on half a million men and women aged 40 to 69 who completed a baseline questionnaire between 2006 and 2010. 85 percent reported drinking tea regularly and 89 percent drank black tea.

Participants who reported consuming two or more cups of tea per day had a 9 to 13 percent lower risk of death compared with non-drinkers. The relationships were observed regardless of whether subjects also drank coffee, added milk or sugar to their tea, preferred tea temperature, or genetic variations of caffeine metabolism. According to the authors, their findings suggest that tea, even at a higher intake, can be part of a healthy diet.

Reference: “Tea consumption and all-cause mortality in the UK biobank” by Maki Inoue-Choi, Ph.D., Yesenia Ramirez, MPH, Marilyn C. Cornelis, Ph.D., Amy Berrington de González, DPhil, Neal D. Freedman, Ph.D. and Erikka Loftfield, Ph.D., Aug. 30, 2022, Annals of Internal Medicine.
DOI: 10.7326/M22-0041

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