The pH of blood refers to how acidic it is. Changes to blood pH can signal underlying medical issues, including metabolic acidosis, respiratory acidosis, metabolic alkalosis, and respiratory alkalosis ...

Vinegar’s pH is low, meaning it’s acidic, but it can change if additional ingredients are added. If you dilute vinegar with water, its acidity lessens, making its pH level rise. The pH level of a ...

Saliva that is properly pH balanced (6.2 to 7.6) helps maintain a healthy mouth and protect your teeth. The acronym pH stands for potential hydrogen. It’s used to describe the chemical acidity level ...