A calcium blood test checks your calcium levels to monitor bone, kidney, and thyroid diseases. You may get one of two main types of calcium blood tests: total calcium and ionized calcium tests. Too ...

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.

DEAR DR ROACH: I am a 60-year-old female. I was diagnosed with primary biliary cholangitis (PBC) in 2020. At the time, I had a bone density scan that showed osteopenia of the left femoral neck with a ...