Why Do Lemons Taste Sour?
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 …
Sour Taste
Why Do I Have A Sour Taste In My Mouth?
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 …