If you have been experiencing persistent heartburn for two or more days a week despite the change in your diet or treatment, then it could be acid reflux disease or ARD. ARD actually affects people in many different ways. Some would feel a burn rising from their stomach, some have a recurring sore throat or have trouble swallowing anything, and others could have difficulty sleeping. Some other symptoms of acid reflux disease could include a bitter taste in the mouth, a burning or piercing fireball, or a damaged esophagus. If you feel any one of the above, the, it’s high time that you put yourself to acid test.