Is the US financial crisis affected the economic performance and demonstrated the era of American global leadership is over?
The devastating economic crisis seems worry the American and caused unhappiness and it is proven by the research.
US researchers found unhappy people spend time in front of the television 30 percent more than happy people, according to media reports Sunday.
The finding, made by researchers at University of Maryland, comes from a survey of nearly 30,000 American adults conducted from 1975 to 2006.
While unhappy people spent more time in front of the TV, happy people were more socially active, voted more, read more newspapers and attend more religious services.
The study found 51 percent of unhappy people were more likely to have unwanted extra time.