Drinking black tea was found to lower the risk of developing Type 2 diabetes, reveals study.
A new analysis of data from 50 countries found that the nations who drank the most black tea also suffered the lowest levels of the metabolic syndrome, the Daily Times reported.
The study also found that high tea consumption was related to lower levels of obesity.
Scientists believe that the fermentation process, which turns green tea black, could also cause the production of complex health-giving flavonoids.
They also analysed the consumption of black tea and the prevalence of various diseases, including Type 2 diabetes.
The study stated that Ireland drank the most black tea, with each person consuming 2 kg each a year, according to sales data.
Britain and Turkey were close behind, with all three countries found to have lower levels of diabetes than others where consumption was low, including Brazil, Morocco and Mexico.
This study had been published in the British Medical Journal.