Numerous scientific studies and just a pinch of common sense tells us that over-consumption of full-sugar soft drinks increases our odds of insulin resistance, obesity and type 2 diabetes.

Because of these threats, soft drink companies developed “diet” soft drinks…with artificial sweeteners replacing sugar.

diet-soda-obesity

Unfortunately for all the Diet Coke drinkers out there….according to this study of over 66,000 French women…

  1. Women who drink ‘diet’ soft drinks consume higher quantities than women who drink ‘normal’ soft drinks – 2.8 glasses per week vs 1.6 glasses per week
  2. When an equal quantity is consumed, the risk of contracting diabetes is higher for ‘light’ or ‘diet’ drinks than for ‘non-light’ or ‘non-diet’ drinks.
  3. And of course…the risk of T2D increases as the volume of either kind of soft drinks increases.

diet-soda-diabetes-risk

Conclusion

This study tells us that high consumption of sweet soft drinks (both normal and ‘diet’) is associated with a high increase in the risk of contracting Type II diabetes. This increased risk is all the greater for drinks of the ‘light’ or ‘diet’ type.

And association doesn’t necessarily means causation.

Even though the researchers accounted for a lot of different factors…

  • obesity,
  • type of diet – Western, Mediterranean, etc,
  • intake of carbohydrates,
  • intake of processed meats,
  • family history of diabetes,
  • education,
  • smoking status,
  • physical activity,
  • hypertension,
  • high cholesterol,
  • HRT,
  • alcohol intake,
  • Omega 3 intake,
  • coffee consumption,
  • fresh fruit & vegetable consumption,
  • the reverse causation hypothesis,
  • etc…

All we can say is that…

  1. Consumption of soft drinks is associated with an increased risk of T2D
  2. Consumption of ‘diet’ soft drinks is associated with an even greater increased risk of T2D
  3. The volume of soft drinks consumed is directly associated with an increased risk of T2D

What does this mean to you?

If you don’t drink soft drinks…nothing.

But if you do drink soft drinks, you have some options.

  1. You can ignore this study and wait for the follow-ups which intend to PROVE that ‘diet’ soft drinks cause T2D.
  2. You can believe that there is a link between the consumption of all types of soft drinks and an increased risk of T2D and cut back on your Diet Cokes.
  3. You can believe that there might be a link between the consumption of all types of soft drinks and an increased risk of T2D, cut back on your Diet Cokes just in case and wait for the follow-up studies to make up your mind.

Reference

 

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