Creatinine levels indicate a person's kidney health, and high levels mean your kidneys are not working as effectively as they should.

A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

What are normal bilirubin levels in babies? If your child has just been born, there is a possibility that he/she will experience jaundice orNeonatal Jaundice. Jaundicevery often found in newborns.