Side Effects Of Sitting Too Long On Computer

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Side Effects Of Sitting Too Long On Computer


By now, you’ve probably already heard that sitting all day is bad for you, but exactly how many hours of sitting may be too much? New research says reducing the amount of sitting to less than 3 hours a day can increase life expectancy by 2 years. Participants in the National Health and Nutrition Survey reported their sedentary habits, including how many hours they spend sitting (e.g., using the computer and watching TV). The researchers eliminated data for patients with existing diseases (who might be more prone to sitting a lot) and then folded in mortality risk into their meta- analysis.


The results indicate that US life expectancy drops by 2 years when people sit for more than 3 hours a day, and another 1.4 years for watching TV more than 2 hours a day. Researchers Peter T Katzmarzyk and I-Min Lee conclude that reducing the amount of time you sit, including TV viewing time, can potentially increase life expectancy. While that conclusion isn’t really new news (a previous Australian study linked TV watching with reduced life expectancy), spending less than 3 hours in a chair is a new goal. It’s clear that the fewer hours you spend sitting, the better (even if you do exercise regularly).

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