Can having obese friends increase your risk of packing on pounds? A new study suggests it can, if you're a man.
The study, published Wednesday in the New England Journal of Medicine, finds that the obesity epidemic can spread like a virus through social networks. When a person becomes obese, his friends and siblings are likely to gain weight as well.
"We were stunned to find that friends who live hundreds of miles away have just as much impact as friends who are next door," said James Fowler,...Full Story