Blood is naturally slightly alkaline or basic. Here’s what that means. The pH scale measures how acidic or alkaline — basic — something is. Your body works constantly to carefully control pH levels of ...

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 ...

The vagina has a pH level of under 4.5, meaning it is mildly acidic. Higher pH levels allow bacteria and yeasts to thrive inside the vagina, and this can result in bacterial and yeast infections. pH ...