Magnesium is important to the functioning of your body and can be found in many common foods. Rich magnesium sources include green vegetables, nuts, seeds, and beans. Your tap water may also contain ...

Known also as an E2 test, an estradiol test measures the amount of the hormone estradiol in your blood, which is essential for bone and joint health in females and helps control how fat is distributed ...

What Is a Liver Function Test? A liver function test is one of a group of tests that check levels of certain enzymes and other proteins in your blood. Some of the tests look for enzymes that you’d ...

Blood tests are a standard part of routine and preventive healthcare. A doctor will often order a blood test before or following a physical examination. A doctor may also order blood tests to evaluate ...