Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

Add Yahoo as a preferred source to see more of our stories on Google. From CBC to CMP and beyond, blood test panels provide essential information to health practitioners. angelp/iStock via Getty ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

It is well known that preventing the onset of diabetes reduces the risk of death, and that managing blood glucose levels is key to preventing diabetes. However, it remains unclear whether there are ...

High blood pressure puts a strain on the heart. It can cause the arteries to harden (atherosclerosis), increasing the risk of ...

Understanding your creatinine levels is important for monitoring kidney function. When you go for your yearly check-up, you'll likely have a routine blood test for creatinine. In some ...