Researchers in Australia found that prolonged television viewing was linked to an increased risk of death, even in people who exercised regularly, and recommended more be done to encourage people to spend fewer hours sitting still in front of the TV.
The study, which appeared online on 11 January in the journal Circulation, is the work of lead author Dr David Dunstan, a researcher at the Baker IDI Heart and Diabetes Institute in Melbourne, and colleagues.
The researchers wrote that studies have been done on television viewing time and health, but these have focused on links with cardiovascular risk, and not risk of death. So for this study they investigated the link between prolonged television viewing time and all-cause, cardiovascular, cancer and non- cardiovascular/non-cancer mortality in Australian adults.
One of the surprising things they found was that even for people who exercised regularly, the risk of death went up the longer they spent in front of the TV: they suggest the problem was the prolonged periods of sitting still.
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