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Monday, January 28, 2008

Caffeine causes blood sugar to spike

Perhaps Dr. Atkins had a point when he said no caffeine and no diet sodas. Recently in a study of coffee drinkers amongst people who have diabetes, Duke University psychologist James Lane found that caffeine boosted blood sugar levels. A cutting-edge glucose monitor was embedded beneath stomach skin, which allowed them to monitor the subjects more closely.
All these subjects normally drank two or more cups of coffee a day. They were given capsules of caffeine, the equivalent of four cups of coffee. The results were that blood sugar was raised and especially after meals, by about 25 % after dinner, for instance.
It was unclear why caffeine increases glucose levels. Dr. Lane suggested that adrenalin and other stress hormones released upon drinking coffee could perhaps stimulate glucose secretion in the liver.

Here is a link to explain what happens to folks with diabetes when consuming lots of caffeine - blood glucose levels are higher by 8% on those days:

My conclusions: If glucose levels are increased, then insulin levels would be increased and that would make one hungrier, as insulin is the hormone that stimulates hunger. Perhaps that is why paradoxically diet coke seems to make people fatter. Drinking diet coke or coffee raises blood sugar and that means more insulin and that in turn means more energy is stored in the body in the form of fat. Seems like Dr. Atkins knew what he was talking about prohibiting caffeine and diet sodas.


allenzucco said...

Why is this info not told to more people???? Could it be a money issue?????

Jennifer said...

Allenzucco, thank you for taking the time to comment!

I think people are only just beginning to realize that caffeine can be a problem by causing blood sugar to spike. It is not good news for those who enjoy caffeine drinks and most people would just like to ignore this information, especially if they feel that it is not impacting them too much in the weight department.

I do think that it is possible that soda companies capitalize on the addictive effects of caffeine in their sodas and certainly they would be the last folks to broadcast this news as sales might drop. But, let's face it, the cold "bubbles" are also addictive. Ever tried drinking a flat, warm coke?