By a way of definition, heartburn means a form of ingestion felt as a burning sensation in the chest, caused by acid regurgitation into the esophagus. When it comes, you will feel a burning sensation in the chest that may as well affect the upper side of your abdomen. It use to strike when the band down, when you are eating or when you are lying down.&nbsp; when it strikes, you can wake up from your sleep.<br />No smoke without fire is an ancient dictum and it applies till this day . what causes it is when stomach acid backs up to the tube that carries food from your mouth to your stomach.<br />Like kwashiorkor which manifests in making patients lean, heart burn announces its present in some symptoms like burning pain in the chest that usually occurs after eating and may occur at night. Pains that worsens when lying down or bending down, a bitter of acidic taste in the mouth.