Esophagus is a muscular tube through which food passes from the mouth to stomach. When one feels a painful sensation in the esophagus, the condition is called heartburn. Heartburn is caused by gastric acid which regurgitates below the breastbone. In simple terms, when gastric acid starts rising in the gullet (esophagus). These acids are otherwise necessary to digest the food. Heartburn is also called pyrosis. Heartburn may lead to chronic cough and asthma. It will be interesting to know that heartburn is not associated with heart. It is a problems associated with digestion system of the body.
Gullet contains a muscle at the bottom to prevent acid from rising. Muscle contracts itself to let this happen. When the muscle fails to contract, the acid starts rising. Medical fraternity has not been able to know the exact reasons for the failure of muscle to contract on some occasions or for some people all the time.
There are many causes of heartburn. These are associated with the eating habits of an individual. Excess of citrus fruits and vegetables like tomato can lead to heartburn. People with habits of chewing too much of chocolates or spicy food are prone to...