Researcher Nicholas Christakis of Harvard University and James Fowler of the University of California examined data collected about heart health for 32 years. The result, they found that when two fat people and skinny friends for a long time, then a thinner, weight tends to rise by 57 percent from time to time.
The study also revealed, one overweight, 40 percent kemungkinanannya siblings are overweight. Whereas if two married couples, one of them fat, then one will go 37 percent fat.
Factor 'transmission'is, based on their research, its influence is greater than genetic factors. "I think our findings reinforced the fact that people are connected, then their health is interconnected," Christakis said as quoted by The Daily Mail, Sunday, May 1, 2011.
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