There is a strong social bias against such findings because many people want to believe obesity is due to an individual's lack of control on some personal, mental level, but we now think viruses may be a factor.

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This is a novel concept as far as a cause for obesity. If these viruses are contributing to obesity, as we get to the point of developing a vaccine, there may be a way to help combat the obesity epidemic.

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We can't say for sure it's causing obesity in humans. We just know there's some pretty strong evidence at this point.

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In our society, we're used to thinking of obesity as an issue of self-control. We think people aren't disciplined enough to exercise and control the food they eat. But there could be other factors that aren't in their control.

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Ad-37 is the third human adenovirus to increase adiposity in animals, but not all adenoviruses produce obesity.

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