Your body creates ammonia when it breaks down protein from foods. Ammonia contains nitrogen, which mixes with other elements in your body, including carbon, hydrogen, and oxygen, to form urea. Urea is ...

A urea breath test is one way doctors may test for Helicobacter pylori (H. pylori) infection. H. pylori is a type of bacterium that can cause digestive disorders. This article will explain the test, ...

LITTLE attention in the past has been paid to an understanding of the significance of an abnormally low level of urea in the blood. The major portion of the published literature discussing levels of ...