What does "Fasting blood sugar" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Fasting blood sugar refers to the amount of sugar, or glucose, present in a person's blood after they have not eaten for at least eight hours. It's a common test used to check for diabetes or pre-diabetes. The test measures how well the body manages sugar levels without food intake. High levels may indicate that the body is not processing sugar effectively, which could be a sign of a health problem.
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