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Related HowStuffWorks Articles
Sources
- Belluck, Pam. "Strangers May Cheer You Up, Study Says." New York Times. Dec. 5, 2008. (May 26, 2009)http://www.nytimes.com/2008/12/05/health/05happy-web.html?_r=4
- Bond, Michael. "How your friends' friends can affect your mood." New Scientist. Dec. 30, 2008. (May 26, 2009)http://www.newscientist.com/article/mg20126881.600-how-your-friends-friends-can-affect-your-mood.html?full=true
- Callaway, Ewen. "Happiness spreads like the plague." New Scientist. Dec. 5, 2008. (May 26, 2009)http://www.newscientist.com/article/dn16194-happiness-spreads-though-society-like-the-flu.html
- Cohen-Cole, Ethan and Jason M. Fletcher. "Detecting implausible social network effects in acne, neight and headaches: longitudinal analysis." British Medical Journal. Dec. 4, 2008. (May 26, 2009)http://www.bmj.com/cgi/content/full/337/dec04_2/a2533
- Fowler, James H. and Nicholas A. Christakis. "Dynamic spread of happiness in a large social network: longitudinal analysis over 20 years in the Framingham Heart Study." British Medical Journal. Dec. 4, 2008. (May 26, 2009)http://jhfowler.ucsd.edu/dynamic_spread_of_happiness.pdf
- Harvard Medical School. Happiness is 'Infectious' In Network of Friends: Collective -- Not Just Individual -- Phenomenon." ScienceDaily. Dec. 5, 2008. (May 26, 2009)http://www.sciencedaily.com /releases/2008/12/081205094506.htm
- Johnson, Carolyn Y. "New reason to be happy: It may go a long way." Boston Globe. Dec. 5, 2008. (May 26, 2009)http://www.boston.com/news/local/massachusetts/articles/2008/12/05/new_reason_to_be_happy_it_may_go_a_long_way/
- Nixon, Robin. "Happiness: Contagious as the Flu." LiveScience. Dec. 4, 2008. (May 26, 2009)http://www.livescience.com/health/081204-infectious-happiness.html
- Park, Alice. "The Happiness Effect." Time. Dec. 22, 2008.
- Stein, Rob. "Happiness Can Spread Among People Like a Contagion, Study Indicates." Washington Post. Dec. 5, 2008. (May 26, 2009)http://www.washingtonpost.com/wp-dyn/content/article/2008/12/04/AR2008120403537.html?hpid=topnews
- Wolfers, Justin. "Is Happiness Contagious?" New York Times. Dec. 9, 2008. (May 26, 2009)http://freakonomics.blogs.nytimes.com/2008/12/09/is-happiness-contagious/
