MARCH 20, 2019 - Previous studies have revealed a link between hot tea drinking and risk of esophageal cancer, but until now, no study has examined this association using prospectively and objectively measured tea drinking temperature. A new International Journal of Cancer study achieved this by following 50,045 individuals aged 40 to 75 years for a median of 10 years.

During follow-up, 317 new cases of esophageal cancer were identified. Compared with drinking less than 700 ml of tea per day at less than 60°C, drinking 700 ml per day or more at a higher temperature (60°C or higher) was associated with a 90 percent higher risk of esophageal cancer.

“Many people enjoy drinking tea, coffee, or other hot beverages. However, according to our report, drinking very hot tea can increase the risk of esophageal cancer, and it is therefore advisable to wait until hot beverages cool down before drinking,” said lead author Dr. Farhad Islami, of the American Cancer Society.

Full citation: Farhad Islami, Hossein Poustchi, Akram Pourshams, Masoud Khoshnia, Abdolsamad Gharavi, Farin Kamangar, Sanford M. Dawsey, Christian C. Abnet, Paul Brennan, Mahdi Sheikh, Masoud Sotoudeh, Arash Nikmanesh, Shahin Merat, Arash Etemadi, Siavosh Nasseri Moghaddam, Paul D. Pharoah, Bruce A. Ponder, Nicholas E. Day, Ahmedin Jemal, Paolo Boffetta, Reza Malekzadeh. A prospective study of tea drinking temperature and risk of esophageal squamous cell carcinoma. International Journal of Cancer, 2019; DOI: 10.1002/ijc.32220

Copyright © 2019 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd., reproduced with permission.


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