Obesity

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Researchers appear to be stuck in a tug-of-war over the causes of the current levels of obesity. lee roberts/Flickr

Obesity wars revisited: is it the meat or the motion?

Obesity researchers have been in a tug of war about obesity for decades now. So what does the evidence show about the latest offensive in the obesity wars?
Studies suggest friends, family members and even colleagues of smokers or obese people are more likely to smoke or be obese themselves. Barry/Flickr

Beware, a ‘non-communicable’ disease may be socially infectious

The leading cause of death in the world are a group of illnesses known as non-commmunicable diseases. But a growing body of evidence shows they're actually social contagions.

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