The pH level of blood reflects how acidic it is. The body maintains blood pH using a number of processes. Learn more about pH levels and changes here.

What Is an Arterial Blood Gas Test (ABG)? An arterial blood gas (ABG) test measures oxygen and carbon dioxide levels in your blood. It also measures your body’s acid-base (pH) level, which is ...

Learn how doctors can use a Urine pH test to diagnose various health issues and learn about your diet.

How to test your skin ph with the new La Roche Posay My Skin Track pH sensor. Acne-free skin could be just one scan away.

The anion gap test uses measures of electrolytes to assess the body's pH level. A high anion gap result suggests high acidity, which can indicate a health condition. Read on.

If your everyday cleanser isn’t so transparent, invest in a pH- restoring toner like Obagi Nu-Derm Toner to rebalance levels post-cleanse (we decant it into a mist bottle for easy application).

Alkaline water has a higher pH level than regular drinking water. Because of this, some advocates of alkaline waterclaim alkaline water slows the aging process, regulates your body’s pH level ...