If recurring heartburn and acid reflux are your constant companions and if you have the habit of gulping down generous proportions of gelusil and ENO, Dr. Balu, Surgical Gastroenterologist & Laparoscopic Surgeon at PSG Hospitals warns against across the counter remedies. He cautions people to listen to their gut as repeated acid re flux is an indication to a larger health issue, including esophageal cancer, if it remains unnoticed for long.