বাংলাResearch has raised concerns about drinking tea or coffee at very high temperatures. Studies suggest that consuming very hot beverages may be associated with an increased risk of esophageal cancer. The focus is particularly on the temperature of hot tea and coffee, rather than simply the beverages themselves.
The International Agency for Research on Cancer (IARC) defines beverages consumed above 65°C as “very hot” and has classified very hot beverages as probably carcinogenic to humans based on evidence linking them to esophageal cancer. :contentReference[oaicite:5]{index=5}
A systematic review and meta-analysis on hot tea found a significant association between hot tea consumption and esophageal cancer. The analysis included 12 case-control studies involving more than 5,000 cases and 8,000 controls, although the researchers noted that the available evidence remains limited. :contentReference[oaicite:6]{index=6}
A prospective study involving more than 50,000 people also found that objectively measured tea temperatures of 60°C or higher were associated with esophageal squamous cell carcinoma risk. Research suggests that the potential concern with hot tea and coffee may be related mainly to thermal injury from very high temperatures. :contentReference[oaicite:7]{index=7}
However, coffee consumption itself has not been established as a major esophageal cancer risk factor. A 2026 meta-analysis found no statistically significant association between coffee consumption and esophageal cancer, while evidence concerning beverage temperature remains inconclusive. :contentReference[oaicite:8]{index=8}
Overall, research indicates that beverage temperature may be more important than whether the drink is tea or coffee. Studies have consistently raised concerns about consuming beverages at very high temperatures and their possible effect on the esophagus. :contentReference[oaicite:9]{index=9}
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