[C-U Smokefree] For Smokers, Quitting Is Tied to Social Circles

[Daniel Lewart]

C-U Smokefree Alliance (especially NRH),

For Smokers, Quitting Is Tied to Social Circles:
	http://www.nytimes.com/2008/05/22/science/22smoke.html

The Collective Dynamics of Smoking in a Large Social Network:
	http://content.nejm.org/cgi/content/short/358/21/2249

Animation:
	http://content.nejm.org/content/vol358/issue21/images/data/2249/DC1/NEJM_Christakis_2249a1.shtml

C-U Smokefree!
Dan
http://www.cu-smokefree.org/