Harvard Study: Happiness is contagious, spreading among friends, neighbors, siblings and spouses...

Feb 8, 2009, Harvard Study: Happiness is contagious, spreading among friends, neighbors, siblings and spouses... a large study for the first time shows how emotion can ripple through clusters of people who may not even know each other. The findings, Christakis and others said, provide striking new evidence of the power of social networks. Happiness appears to be transmitted only among people who live within a mile of one another.

As I see it, more evidence for the social benefits of building and renovating walk-able, high density neighborhoods.

The story:

http://www.washingtonpost.com/wp-dyn/content/article/2008/12/04/AR200812...