"If behavior spreads through social networks, then working in a toxic or slow-moving corporate environment is really really bad for you." 1) I think working in

"If behavior spreads through social networks, then working in a toxic or slow-moving corporate environment is really really bad for you." 1) I think working in a toxic or slow moving corporate environment is really bad for you for reasons much more direct than behaviors moving through a social network 2) Researches demonstrated that certain moods and obesity appear to be correlated in social networks - but they have not demonstrated causation or show that this applies to behaviors and moods in general. The fact that two nodes in a social network are likely to both be obese together only shows that obese people move in the same social circles, and there could be a wide variety of social and economic reasons why that are more directly causative than two people knowing each other. Not to be a downer, it just seems to me that this article makes an unfounded leap there.