Sugar Does Not Cause Diabetes!

Written By: Gloria Tsang, RD

Title: Founding Registered Dietitian

Alumni: University of British Columbia

Last Updated on:

This is probably the most common misconception about diabetes. If you have diabetes, you do need to watch your sugar and carbohydrate intake to properly manage your blood sugar level with the help of your Registered Dietitian. However, if you do not have diabetes, sugar intake will not cause diabetes. So far, a diet high in calories, being overweight, and an inactive lifestyle are the main risk factors for Type 2 diabetes.

A study published in Diabetes Care (April 2003) re-confirmed that sugar does not cause diabetes. In this study, researchers analyzed data on nearly 39,000 middle-aged women, all of whom completed a 131-item food questionnaire. Six years later, there were 918 cases of Type 2 diabetes reported. Researchers found no definitive influence of sugar intake on the risk of developing Type 2 diabetes.

If that’s the case, can I eat as much sweets as I wish?

The simple answer is No. Although sugar does not cause diabetes, excessive calories does. Excess caloric intake usually results in overweight and obesity – which is the main risk factor for diabetes.

Bottom Line: Although excessive sugar intake is not the direct cause of Type 2 diabetes, overweight and obesity is one of the risk factors. To prevent diabetes, maintain a healthy weight and follow a healthy lifestyle with regular physical activity and a sensible diet.


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