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Study reveals common artificial sweeteners change how the body processes fat and energy

Artificial sweeteners are one of the most common food additives, frequently consumed in diet sodas and other products. Despite the addition of these zero-calorie sweeteners to our everyday diets in an effort to avoid the well-known negative health consequences of too much sugar, populations worldwide have still seen a drastic rise in obesity and Type 2 diabetes. a recent joint study between MCW and Marquette University sheds light on the negative health effects of these artificial additives, showing how they change how the body processes fat and gets its energy.

“If you chronically consume these foreign substances -- as with sugar -- the risk of negative health outcomes increases,” said lead researcher Brian Hoffmann, PhD, assistant professor in the department of biomedical engineering at the Medical College of Wisconsin and Marquette University. “As with other dietary components, I like to tell people moderation is the key if one finds it hard to completely cut something out of their diet.”

Dr. Hoffmann presented the research at the American Physiological Society annual meeting during the 2018 Experimental Biology meeting, held April 21-25 in San Diego.

The researchers tracked biochemical changes in the body after the consumption of either sugar or sugar substitutes, and they also observed the vascular health impacts of these substances by looking at how these they affected the lining of the blood vessels. The study was conducted in rat and cell cultures.

After three weeks, significant differences emerged in the concentrations of biochemicals, fats and amino acids in the blood samples, suggesting artificial sweeteners change how the body processes fat and gets its energy. In addition, one artificial sweetener in particular, acesulfame potassium, accumulated in the blood, therefore harming the cells that line blood vessels.

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