India, Dec. 15 -- Gastroesophageal Reflux, commonly known as acid reflux, is an irritation along the food pipe that leads to burning chest pain and sour taste in the mouth. It is caused by the stomach acids flowing back up into the oesophagus and irritating the lining, as a result of a relaxed or weakened oesophageal sphincter.

Some people have claimed that consuming vinegar-based food, which is itself acidic in nature, helps counteract the symptoms of heartburn. On December 14, Florida-based gastroenterologist Dr Joseph Salhab took to Instagram to share the science behind it.

According to Dr Salhab, vinegar-based food does help with heartburn for some people, but for many, it actually makes the symptoms worse.

For those who find it be...