Feeling that something is off with your vagina can be scary, whether you're experiencing minor irritation or symptoms that can't be ignored. Between yeast infections and STDs, there are a lot of ...

pH is a measurement of how acidic or alkaline (basic) a substance is. The scale runs from 0 to 14. A pH of less than 7 is considered acidic, and a pH of more than 7 is basic. A normal vaginal pH level ...

Gastric acid in the stomach has a normal pH level of 1.5 to 3.5; the lower the number, the greater the acidity. Battery acid, by comparison, has a pH of 0, making it capable of dissolving materials ...

The pH of your stomach acid can vary due to health conditions, medications, and other factors. Having a pH that is too high or too low can cause complications. Stomach acid, or gastric acid, is a ...