Guest guest Posted July 28, 2000 Report Share Posted July 28, 2000 Once again I will try and fwd this... Its just and FYI... I dont support or condone its merits or demerits. Joannie Irving, Tx. > Experiments Suggest 'Fat Virus' > > By MATT CRENSON > .c The Associated Press > > (July 27) - A cold-like virus may cause obesity, new > experiments suggest. > > Researchers at the University of Wisconsin in Madison > have found that mice > and chickens infected with a common human virus put on > much more fat than > uninfected animals. They have also discovered that the > same virus is more > prevalent among overweight people, a strong indication > that it may also cause > obesity in humans. > > In four experiments, the Wisconsin researchers > inoculated chickens and mice > with adenovirus-36, a member of a viral family that > includes about 50 > strains. Most adenoviruses cause colds, diarrhea or > pinkeye. > > After several months, animals infected with > adenovirus-36 weighed only 7 > percent more on average than those without the virus, > but their bodies > contained more than twice as much fat. > > ''This is the first human virus that has been shown to > cause obesity in > animals,'' said Nikhil Dhurandhar, one of the study's > authors. > > It is also the first virus the researchers looked at, > raising the possibility > that other human viruses may also cause obesity. > Dhurandhar and his > colleagues picked adenovirus-36 simply because little is > known about it and > the strain is relatively easy to work with. > > Their study is being published in the August issue of > the International > Journal of Obesity. > > ''It raises a host of very interesting questions,'' said > Foreyt, an > obesity expert at Baylor College of Medicine. ''If it > really does play a > role, I think it's a real breakthrough.'' > > The latest results do not indicate that all obesity is > caused by viruses, > Foreyt said. But they strongly suggest that infection > plays an important role. > > ''There's just so much more we need to do on this before > we can say anything > definitive,'' said Atkinson, a University of > Wisconsin professor and > author of the study. > > Unpublished studies in humans show that 20 to 30 percent > of overweight people > are infected with adenovirus-36, compared to about 5 > percent of the lean > population. > > Experts are not completely surprised by the Wisconsin > group's results. In the > last few years, they have found signs that many chronic > health conditions are > caused by infections. Three different microbes are > thought to contribute to > clogged arteries. Long thought to be a product of high > stress and a poor > diet, ulcers are now known to be caused by the bacterium > Helicobacter pylori. > > In addition, several animal viruses are already known to > cause obesity in > both animals and humans. But adenovirus-36 is the first > human virus known to > cause an increase in fat. > > Researchers do not know yet how adenovirus-36 causes > obesity. Infected > animals did not eat more than uninfected ones, > suggesting that the virus > decreases energy expenditure rather than increasing > appetite. > > ''I feel that it increases the number of fat cells, > which encourages them to > store more fat,'' said Dhurandhar, who recently joined > Wayne State University > in Detroit. > > The animal obesity viruses appear to work differently > from adenovirus-36, by > damaging the part of the brain that controls appetite. > The Wisconsin > researchers saw no brain damage in chickens and mice > infected with > adenovirus-36. > > Aside from a day or two of cold-like symptoms, Atkinson > said, the virus > produced no observable effects besides obesity. > > Paradoxically, animals infected with the virus also had > decreased levels of > cholesterol and triglycerides in their blood. Generally, > obesity is > associated with high cholesterol and triglyceride > levels. > > Far more research is needed before any practical > benefits can be reaped from > this research, Atkinson said. It is still too early to > know whether it may be > possible to develop an effective vaccine against obesity > or otherwise > counteract the effects of the virus. > > AP-NY-07-27-00 1900EDT > > Copyright 2000 The Associated Press. The information > contained in the AP news > report may not be published, broadcast, rewritten or > otherwise distributed > without the prior written authority of The Associated > Press. All active > hyperlinks have been inserted by AOL. > > > > Quote Link to comment Share on other sites More sharing options...
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