A recent study conducted by researchers at Sichuan University in Chengdu, China, and published in The Lancet Regional Health – Western Pacific, suggests that drinking three cups of tea a day might slow down the biological aging process. This study involved two cohorts: 5,998 British individuals aged between 37 and 73, and 7,931 Chinese participants aged 30 to 79, who provided detailed information about their tea consumption habits. The researchers then assessed various aging markers such as blood pressure, cholesterol, and body fat percentage to determine the participants’ biological age.
The findings indicated that tea drinkers exhibited signs of slower biological aging, with the most evident benefits seen in those consuming around three cups of tea or six to eight grams of tea leaves per day. Interestingly, those who stopped drinking tea showed a higher increase in the acceleration of biological aging.
The study attributed these anti-aging benefits to polyphenols, primarily bioactive substances in tea, which significantly influence gut microbiota. This, in turn, impacts age-related shifts in immunity, metabolism, and cognitive function. The research did not find substantial differences between black tea drinkers in the UK and green tea enthusiasts in China, nor did the temperature at which the tea was consumed impact the outcomes.
However, it’s important to note that the study was observational and could not definitively conclude that tea drinking directly causes slower biological aging. Also, the study did not account for the size of the tea cups used by participants, which could vary [❞] [❞].
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