On 26 July, The New England Journal of Medicine published a curious article suggesting that obesity spreads though social ties: if your spouse, sibling or friend has gained weight, chances are you also need to buy larger shirts. Unfortunately, the popular media decided to interpret this quite literally as obesity being contagious...
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Biomedicine in the headlines. Nat Med 13, 1399 (2007). https://doi.org/10.1038/nm1207-1399