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A study has found that drinking of hot tea doubles one’s risk of developing tumours in the oesophagus (the long tube that carries food from the throat to the stomach).
The study, led by Tehran University of Medical Sciences in Iran, involved more than 50,045 people and explored the link between hot drinks and certain types of diseases (oesophageal cancer).
A link between hot beverages and oesophageal cancer has been suspected for some time now but with no proper scientific evidence to back the claim.
Kasatintin.com has seen a copy of the research report published in the International Journal of Cancer, and we can report that the findings are mind-blowing.
The researchers monitored the drinking habit of the participants aged 40 to 70 for a period of 10 years.
During a follow-up period (2004 to 2017), 317 new cases of oesophageal cancer – also known as cancer of the food pipe – were identified amongst the study group.
People who drank 700ml (about 2 to 3 mugs) of tea a day at temperatures of 60C or above were almost twice as likely to suffer oesophageal cancer compared with people who drank tea at lower temperatures.
The researchers observed that letting a cup of freshly boiled tea to cool down for several minutes before drinking it could help.
They however maintained that people will less likely be exposed to oesophageal cancer especially if they add cold milk to a cup of hot tea.
A 2018 study which looked at hot tea drinking in China came to a similar conclusion but the current study is more robust than previous studies, deepening the reliability of the findings.
The researchers argued their findings based on tea will apply to other hot beverages, including coffee or hot chocolate.
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