Scientists say they have new experimental evidence of a novel role for bilirubin, a natural yellow pigment found in the body, in protecting humans from the worst effects of malaria and potentially ...

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 ...

Normal urine typically appears pale yellow to light amber, but liver problems can dramatically alter this familiar color pattern. When the liver struggles to function properly, waste products that ...

Medically reviewed by David Ozeri, MD High bilirubin levels can cause jaundice, a sign of liver damage.Gallstones can lead to ...