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 ...

An ionized calcium test measures the levels of a specific form of calcium in your blood. It’s performed by taking a small blood sample. You’ll typically need to fast before the test. Calcium is an ...

A parathyroid hormone test measures levels of parathyroid hormone (PTH) in your body. This hormone is produced by small glands in your neck and regulates the level of calcium in your blood. A ...

Heart disease has been the leading cause of death in the United States for more than 100 years, yet diagnoses continue to climb. A study by The American Heart Association found 51% of Americans were ...

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 ...

Angela Ryan Lee, MD, FACC, is a board-certified cardiology and internal medicine physician. She also holds board certifications from the American Society of Nuclear Cardiology and the National Board ...

“Your bones are constantly remodeling, which means they are repeatedly breaking down old bone and rebuilding new,” says Callins. Adequate calcium helps support this process, giving bones the resources ...