Happiness is 'infectious' in network of friends: collective -- not just
individual – phenomenon.
If you're happy and you know it, thank your friends—and their friends. But
if you're sad, hold the blame. Researchers from Harvard
Medical School
and the University of California , San
Diego have found that "happiness" is not the
result solely of a cloistered journey filled with individually tailored
self-help techniques. Happiness is also a collective phenomenon that spreads through
social networks like an emotional contagion.
The researchers
Nicholas A. Christakis, MD, PhD, MPH, Professor of Medical Sociology in the Department of
Health Care Policy at Harvard Medical School; Professor of
Sociology in the Department of Sociology in the Harvard
Faculty of Arts and Sciences; and an Attending Physician in the Department
of Medicine at the Harvard-affiliated Mt. Auburn Hospital.
James Fowler is an Associate
Professor in the Political
Science Department at the University of California, San Diego
analyzed information on the happiness of 4,739 people and their
connections with several thousand others — spouses, relatives, close friends,
neighbors and co-workers — from 1983 to 2003.
The graph shows the largest component of friends,
spouses and siblings in 2000.
Circles are females, squares are males and the
lines between them indicate relationships (black for siblings, red for friends
and spouses).
Colors show the average happiness of a
person and all of his or her social relations, with blue for sad, yellow for
happy and shades of green for in-between
The study found that when an individual becomes happy, the network
effect can be measured up to three degrees.
The happiest people tend to be the ones in
the centre.
One person's happiness triggers a chain reaction that benefits not only
their friends, but their friends' friends, and their friends' friends' friends.
The effect lasts for up to one year.
Sadness does not spread through social networks as strongly as
happiness.
Happiness appears to love company more so than misery.
Researchers also found that, contrary to what your parents taught you,
popularity does lead to happiness.
Someone you don't know and have never met—the friend of a friend of a
friend—can have a greater influence than putting an extra $5,000 in your
pocket.
Christakis and Fowler, the researchers of the project, practically
showed that our health is affected by our social context. A cheery next-door
neighbor has more effect on your happiness than your spouse’s mood.
Emotions have a collective existence — they are not just an individual
phenomenon.
And people in the centre of social networks are happier than those on
the fringes.
Friends
How often do you feel happy? Are you the centre or a fading fringe?
Reference
James H Fowler, 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, December 4, 2008.
Love,
Natalia Levis-Fox
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