Heartburn is a result of GERD (gastroesophageal reflux disease) and can be caused by acid refluxing back into the oesophagus. This happens when the production of acid increases in the stomach, as well as other structural problems that allow acid to reflux back into the oesophagus. Some of the food we eat causes the stomach to make more acid. Also doing things like smoking, becoming obese or even becoming pregnant allows the stomach to make more acid, causing GERD.
Heartburn is sometimes mistaken as a heart attack but they are some symptoms that can tell them apart. These include a sharp, burning sensation just under the breastbone or ribs. The pain comes after eating a meal, lying on your back, doing exercise or when experiencing