emotional states can be transmitted to humans by signals such as facial expressions or certain ways of man. How happiness spreads in a social network that explored American scientists.
reference was once the town Framingham Heart Study, with its collective. 4739 participants were observed between the years 1983 and 2003. The luck has been made on a scale based on four criteria. You could "cluster" of happy and unhappy people find in the community. There were links between happy people on three levels (to friends of friends of friends). People in the center of such a network had the best chance to continue to be happy.
Statistical models led to the conclusion that happiness spreads in the community and that is not about happy people together. A friend who lives within a mile and is happy, increased chance of other people around him to be happy by 25%, the nearest neighbors are 34%. No such interactions, it was observed in humans in the same workplace. - According to these results is happiness, like health, a collective phenomenon. WE
Fowler JH et al. Dynamic spread of happiness in a large social network: longitudinal analysis of the Framingham Heart Study social network. BMJ 338 (2009) 23-28
number of the original work 091 236
from practice-Dispatch 12/2009
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