The anion gap blood test assesses the acid-base and electrolyte balance of the blood. It can help determine what may be causing disturbances in the blood’s pH.

DEAR DR. ROACH: In a recent column, you stated that the body works to keep blood pH levels steady. My urologist has recommended that I drink baking soda in water to alkalinize my urine. Is it true ...

A recent study has found that an ion transporter protein that regulates the pH of specific brain cells can repair the blood-brain barrier and restore normal brain function after ischemic stroke ...