Hmmm...

..."The quality of relationships matters as well. Feelings of loneliness may be as damaging as actual physical isolation, says John Cacioppo, a professor of psychology at the University of Chicago and an expert on how loneliness affects health. In a study of 135 healthy students at Ohio State University, Cacioppo found that those who perceived themselves as lonely had higher levels of cortisol, a stress hormone that causes the body to store fat in the abdomen, a risk factor for heart disease.
Establishing new relationships can help, but may be problematic for isolated individuals. Cacioppo warns that lonely people could hamper their own best efforts because they see the world as more threatening and less rewarding than socially embedded people do. "Lonely people want to be affiliated with others, but they expect [negative responses] and engage in self-protective behaviors that are self-defeating," Cacioppo says. Experts recommend joining anything from a book club to Toastmasters. "Research has shown that just being a member of a local club or an organization has health-protective effects," says Taylor...."

News derived from: http://health.msn.com/womenshealth/articlepage.aspx?cp-documentid=100108101

This is way cool too. I wonder where Singaporeans fit in the range.
http://msnbc.msn.com/id/14786805/wid/11915773&GT1=8506