The A1C test is a simple blood test that’s usually given in a doctor’s office. You don’t need to fast before taking this test, and the results are not significantly affected by what you’ve had to eat ...

The body breaks down food into glucose (a simple sugar) and releases it into the bloodstream, where it is carried to cells to fuel the body's systems. Blood sugar levels are maintained by hormones ...

If a person is surprised about their blood sugar results, it may be that some factor — such as a damaged test strip — has produced a falsely high reading. It may also be a sign of an underlying health ...