The sour flavor of lemons is caused by the acidic content of the fruit, which is around two pH. The citric acid acts on the taste buds on the tongue and alerts the brain to the sour taste. While a small amount of citric juice can be harmful, it can be helpful. It is also …
A sour taste in the mouth can be a sign of several problems. GERD, or gastroesophageal reflux disease, is caused by changes in the digestive system or organs. Although a doctor can help you diagnose the underlying cause, a simple diet change can improve your symptoms. A visit to the dentist can also help you …
