Q. What is a healthy pH level?

A normal blood pH level is 7.40 on a scale of 0 to 14 where 0 is the most acidic and 14 is the most basic. This value can vary slightly in either direction and depends on person to person. If there is ailment of lungs or kidneys then blood's pH level can become imbalanced. The range of Ph goes from 0 to 14 with 7 being neutral while pH of less than 7 indicates acidity and a pH of greater than 7 indicates a base.