Jun 30, 2014 01:39 PM EDT
Researchers advise consumers to avoid adding high-sugar to a high-fat diet

A new study found that a following a high-sugar, high-fat Western diet is more damaging than a diet high in saturated fats alone.

The study, published in Experimental Physiology, showed that short-term consumption of a Western diet, rich in saturated fats and fructose, is more damaging for healthy liver development than a high-fat diet alone.

While natural fructose found in fruits like berries, raw apples, and sugar cane can actually increase their nutritional value, artificial fructose, found in most sweeteners, sodas, and artificial juices, have gained lots of attention lately for their health risks.

Dr. Susanna Iossa, who led the study at the University of Naples, Italy, said, "This result points to the harmful effect of adding fructose to the usual western, high-fat diet and, together with other related findings, should stimulate the discussion on the use of fructose and fructose-containing sweeteners in beverages and packaged foods.

"We performed the research by using an animal model of adult sedentary humans, consisting of adult rats, that were fed for two weeks with either a low-fat diet, a high-fat diet or a diet rich in fat and fructose. This latter diet is very similar in composition to the diet consumed by the large majority of the Western population. After the diet period, we evaluated liver function and we found that the presence of fructose in the high-fat diet exacerbated the impairment of this important metabolic organ, by increasing the build-up of fat in the liver, and decreasing liver insulin sensitivity.

"Much more research should be undertaken in the future, especially regarding the impact of the high-fat high-fructose diet on other metabolically important organs, in order to establish the real impact of this unhealthy dietary habit on health and well-being."

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