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Abdominal fat accumulation prevented by unsaturated fat
Date:2/24/2014

n the other hand, the increase in muscle mass was three times less for those who ate saturated fat compared with those who ate polyunsaturated fat. Thus, gaining weight on excess calories from polyunsaturated fat caused more gain in muscle mass, and less body fat than overeating a similar amount of saturated fat. Since most of us are in positive energy balance, and consequently gain weight slowly but gradually over time, the present results are highly relevant for most Western populations.

"Liver fat and visceral fat seems to contribute to a number of disturbances in metabolism. These findings can therefore be important for individuals with metabolic diseases such as diabetes. If the results regarding increased muscle mass following consumption of polyunsaturated fat can be confirmed in our coming studies, it will potentially be interesting for many elderly people, for whom maintaining muscle mass is of great importance in preventing morbidity", says Ulf Risrus, associate professor at the Department of Public Health and Caring Science and director of the study.

When it comes to the risk of developing diabetes and cardiovascular diseases, it seems more important where in the body the fat is stored than how much fat the body has. Visceral fat, along with a high proportion of fat in the liver, is closely associated with increased risk for developing type-2 diabetes. These fat depots are therefore important targets for new drugs and dietary strategies. A number of studies have indicated that a higher intake of polyunsaturated fats from plant oils and nuts is associated with a decreased risk of type-2 diabetes, but the reasons for this remain unclear.

The present study proposes a potential explanation for such an association, showing that polyunsaturated fatty acids can affect fat distribution in the body more favorably than saturated fats, probably by regulating increased energy combustion or decreased storage of visceral fat in connection w
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Contact: Ulf Risérus
Ulf.Riserus@pubcare.uu.se
46-070-753-3316
Uppsala University
Source:Eurekalert  

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