

William Openshaw
2.5K posts

@SeedOfTruthLabs
Living life, loving God, and spreading smiles through silly replies... Father, Son, Husband, Seeker of Truth, Computer Nerd, Latter-Day Saint





















Drinking beverages above 65°C is a Group 2A carcinogen. The mechanism is thermal injury to the esophageal lining, repeated over years, driving chronic inflammation and cell turnover. Islami 2019 prospectively followed 50,045 adults in Iran for 10 years and measured tea drinking temperature objectively. People who drank tea at 60°C or higher had 41% higher risk of esophageal squamous cell carcinoma. People who preferred "very hot" tea had 141% higher risk. People who drank within 2 minutes of pouring had 51% higher risk than people who waited 6+ minutes. A separate cohort in Kenya (Middleton 2019) found 3.7 times the risk for "very hot" drinkers vs warm. Tea cools below 65°C in roughly 4 to 5 minutes in a standard mug. The threshold is the temperature, not the drink. Islami, Int J Cancer 2019: pubmed.ncbi.nlm.nih.gov/30891750/ Middleton, Int J Cancer 2019: pubmed.ncbi.nlm.nih.gov/30496610/

