Obesity is 'socially contagious'

I saw a hot topic at Yahoo home pages....honestly after I read and read it again....I think it is true ...I never think this problem before....here is the news that I have copy to my blog :

" If your friends and family get fat, chances are you will too, researchers report in a startling new study that suggests obesity is "socially contagious" and can spread easily from person to person.
The large, federally funded study found that to be true even if your loved ones lived far away. Social ties seemed to play a surprisingly strong role, even more than genes are known to do.
"We were stunned to find that friends who are hundreds of miles away have just as much impact on a person's weight status as friends who are right next door," said co-author James Fowler of the University of California, San Diego.and so...... "

I always go out dinner or lunch with my friend...every time we meet...we are always meet in a restaurant ....it is always make me fat after I ate and the next day I always have vegetarian food to keep my fit.