Drinking hot tea could increase the risk of esophageal cancer

1. Drinking tea is known to lower the risk of cancers, however, if tea is consumed hot, the risk of esophagus (food pipe) cancer can increase.
#MedTwitter #Cancer #tea
doi.org/10.3389%2Ffnut…
2. The overall results of the meta-analysis showed that people who drank hot tea had 77% higher risk of esophageal cancer than those who do not drink hot tea.
3. Green tea is rich in polyphenols, which have been extensively studied as a cancer chemo-preventive agent.
Epigallocatechin gallate (EGCG), the most abundant and active compound in tea, was reported to block cancer progression.
4. The potential thermal injury (due to boiling water in hot tea) should be considered because very hot beverages are identified by the International Agency for Research on Cancer (IARC) monograph as Category 2A carcinogens for esophageal small cell carcinoma (ESCC).
5. The tea temperature ≥60°C significantly increases the risk of ESCC compared with temperature <60°C.
The risk of esophageal cancer was moderately increased when the tea temperature was 60-69°C, and temperature above 70°C was associated with a high risk of esophageal cancer.
6. Take home message
*Very hot tea consumption can increase the risk of esophagus cancer.
*Enjoy the tea but ensure it is not boiling hot (hot tea could burn the taste buds too, so the food would become tasteless).
7. The commonest risk factors for esophagus cancers are alcohol consumption & smoking- so, these should be avoided.
Limitation of the study- this study looked at association and so, cause and effect can not be proved. The temperature was not measured and it was only an estimate.

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