A complete evaluate of epidemiological research has discovered sturdy proof that usually consuming extremely popular drinks and meals will increase the danger of esophageal most cancers (EC), reinforcing long-standing considerations about thermal damage to the esophagus.
Researchers examined many years of research on tea, espresso, mate (a conventional South American natural drink), and different sizzling meals and drinks. Whereas the quantity of espresso or tea consumed confirmed little constant affiliation with esophageal most cancers threat, temperature emerged as a key issue. Most research reported a statistically important improve in EC threat amongst individuals who drank these drinks at larger temperatures.
Mate confirmed the clearest sample. Though fewer research have been obtainable, they constantly demonstrated that each the amount consumed and the temperature at which it was drunk independently elevated esophageal most cancers threat.
Greater than half of research analyzing different sizzling meals and drinks additionally discovered considerably larger EC dangers linked to hotter consumption.
Organic Plausibility Strengthened
The concept that repeated thermal damage could injury the esophageal lining dates again practically a century. In 1939, doctor WL Watson described thermal irritation as “most likely probably the most fixed issue” predisposing people to esophageal most cancers.
Issues that sizzling drinks cool too shortly to hurt the esophagus have been challenged by experimental proof. Research measuring intra-esophageal temperature confirmed that consuming drinks at round 65 °C can increase esophageal temperature by 6–12 °C, relying on sip measurement—sufficient to plausibly trigger tissue damage.
Chemical substances vs. Warmth
Tea, espresso, and mate comprise quite a few bioactive compounds, a few of which have proven mutagenic results in laboratory research, whereas others seem to have cancer-preventive properties in animal fashions. General, epidemiological proof suggests these chemical results don’t clarify esophageal most cancers threat as clearly as warmth publicity does.
World Well being Implications
The findings are notably related in areas the place consuming extremely popular tea, espresso, maté, or consuming sizzling meals is customary. If confirmed, high-temperature consumption might account for a considerable proportion of esophageal most cancers circumstances in these populations.

