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Fasting Blood Sugar Levels: Overview and Test


Fasting, as the name suggests, means refraining from eating of drinking any liquids other than water for eight hours. It is used as a test for diabetes. After fasting, a carbohydrate metabolism test is conducted which measures blood glucose levels.


Glucagon during fasting
When fasting the hormone glucagon is stimulated and this increases plasma glucose levels in the body.If a patient doesn’t have diabetes, their body will produce insulin to rebalance the increased glucose levels.


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