Digestive issues are mostly underrated. It causes temporary discomfort and we have a tendency to react only when the condition becomes too painful to endure. Digestive ailments, if left untreated, could also wreak havoc on our health. One of the most common digestive disorders is acidity. Acidity is defined as a digestive disease in which stomach acid cause heartburn - a burning sensation in the chest, stomach and throat with frequent episodes of heartburn associated with other severe problems which calls for medical intervention.