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 ...

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 ...

DEAR DR. ROACH: I am an 81-year-old man (5 feet, 2 inches tall at 122 pounds) in good health, except that I have Type 2 diabetes. My A1C level has been in the range of 6.3% to 6.8% for the past five ...

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.

Heart attacks are often thought to come with warning signs like chest pain, breathlessness, or discomfort in the arm. But doctors say the reality is far more worrying: many heart attacks happen ...