India, Nov. 8 -- Reaching for an antacid after a spicy meal might seem harmless - a quick fix for that familiar burning in your chest. But if heartburn becomes a regular part of your routine, it could be signalling something far more serious. Persistent acid reflux not only causes discomfort but, over time, can damage the oesophagus and even increase the risk of oesophageal cancer.

Dr Saurabh Sethi, a gastroenterologist trained at AIIMS, Harvard, and Stanford, has highlighted a common gastrointestinal symptom that many dismiss as mere digestive discomfort - but which can, if left untreated, progress to oesophageal cancer.

In an Instagram video posted on November 8, the gastroenterologist explains that persistent heartburn isn't somethin...