A New Risk Factor: Your Social Life
The researchers concluded that having few friends or weak social ties to the community is just as harmful to health as being an alcoholic or smoking nearly a pack of cigarettes a day.
http://well.blogs.nytimes.com/2010/07/28/a-new-risk-factor-your-social-life/
http://well.blogs.nytimes.com/2010/07/28/a-new-risk-factor-your-social-life/