miércoles, 11 de julio de 2012

Sitting for Hours a Day Cuts Life Span

Sitting down for more than three hours a day can shave a person's life expectancy by two years, even if he or she is physically active and refrains from dangerous habits like smoking, according to a study...

Source:
http://online.wsj.com/article/SB10001424052702303343404577516853567934264.html

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