What Is the Normal Range for Blood Sugar?


Quick Answer

Normal blood sugar ranges depend on a variety of factors, including a person's age, health and food consumption. In normal individuals, fasting blood sugar is between 70 and 100 milligrams per deciliter, according to Edward S. Horton, M.D., Section Head of Clinical Research at Joslin Diabetes Center.

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What Is the Normal Range for Blood Sugar?
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Full Answer

Regular blood sugar testing is beneficial for those who are pregnant as well as those who take insulin or have difficulty controlling blood glucose levels, notes the American Diabetes Association. Blood sugar that reads higher than normal consistently but does not meet other criteria for diabetes is called prediabetes, states WebMD. Prediabetes affects 79 million people in the United States. These people are five to six times more likely to develop diabetes and are also at increased risk for heart disease. Diet and exercise can prevent prediabetes from progressing into diabetes.

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