Your Social Network Can Make You Smile

Happiness is contagious, according to a new study published in the British Medical Journal. James Fowler, political scientist at University of California, San Diego, explains how happiness spreads through social networks and how to make the holidays a little brighter.

http://podcastdownload.npr.org/anon.npr-podcasts/podcast/510221/97894783/npr_97894783.mp3