Researchers have discovered a new enzyme, bilirubin reductase, that gives urine its yellow color. These findings could help better understand the connection between the gut and health issues like ...

Scientists finally resolved a mystery you may not have known needed solving — we now know why urine is yellow. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Conjugated bilirubin, which enters the intestinal tract with bile, forms urobilinogen, which appears in the urine in small amounts (0.1-1.0 mg/dL). This level rises in any condition that increases ...

Conjugated hyperbilirubinemia occurs when bilirubin, a by-product of red blood cells, builds up in the blood. This can indicate several underlying causes, such as hepatitis, cirrhosis, or biliary ...