Heartburn is a common condition that causes a burning sensation in the chest, usually after eating. It occurs when stomach acid flows back up into the esophagus, the tube that connects the mouth to the stomach. Heartburn can be caused by several factors, including eating certain foods, consuming large amounts of alcohol, and smoking. There are few easy lifestyle tips to reduce it. If your heartburn is not improving even after changing lifestyle you should visit the best gastroenterologist in Kolkata. To book an appointment visit www.bajajfinservhealth.in/doctor/kolkata/gastroenterologist