When someone mentions the phrase acid reflux, you will not easily get what it means unless you are a medical student or anything of that kind. In simple term, heartburn is a case of acid reflux. It happens when you've taken a fatty meal and a tight feeling in the chest is felt. To find out about it and how does it happen inside our body take a look of this short video

What is GERD?

Found this neat video on Youtube about understanding acid reflux disease.

Source: Understanding Acid Reflux Disease