Watching TV for an Hour Will Shorten Your Life by 21.8 Minutes

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There are often times that one gets up from watching the television thinking that those are sixty minutes that you are never going to get back, but it is worse than you know. A new study published in the British Journal of Sports Medicine calculates that for every hour you spend watching television over the age of 25, your life is shortened by 21.8 minutes.

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If you watch a lot of TV, (six hours a day), you can expect to live 4.8 years less than a person who watches no TV. From the abstract:

The amount of TV viewed in Australia in 2008 reduced life expectancy at birth by 1.8 years (95% uncertainty interval (UI): 8.4 days to 3.7 years) for men and 1.5 years (95% UI: 6.8 days to 3.1 years) for women. Compared with persons who watch no TV, those who spend a lifetime average of 6 h/day watching TV can expect to live 4.8 years (95% UI: 11 days to 10.4 years) less. On average, every single hour of TV viewed after the age of 25 reduces the viewer's life expectancy by 21.8 (95% UI: 0.3-44.7) min. This study is limited by the low precision with which the relationship between TV viewing time and mortality is currently known.
Conclusions TV viewing time may be associated with a loss of life that is comparable to other major chronic disease risk factors such as physical inactivity and obesity.

Now I wonder how many people are going to write in comments that correlation does not imply causation, they always do. Found inConsumerist.
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