Truesee's Daily Wonder

Truesee presents the weird, wild, wacky and world news of the day.

Wednesday, January 20, 2010

 

Sitting Too Much Could Be Deadly

Experts: Sitting Too Much Could Be Deadly

Scientists Say Exercise Won't Necessarily Cancel Out Prolonged Sitting

MARIA CHENG

AP Medical Writer

POSTED: 10:42 am EST January 20, 2010
UPDATED: 6:33 pm EST January 20, 2010

LONDON -- Here's a new warning from health experts: Sitting is deadly.

Scientists are increasingly warning that sitting for prolonged periods -- even if you also exercise regularly -- could be bad for your health. And it doesn't matter where the sitting takes place -- at the office, at school, in the car or before a computer or TV -- just the overall number of hours it occurs.

Research is preliminary, but several studies suggest people who spend most of their days sitting are more likely to be fat, have a heart attack or even die.

In an editorial published this week in the British Journal of Sports Medicine, Elin Ekblom-Bak of the Swedish School of Sport and Health Sciences suggested that authorities rethink how they define physical activity to highlight the dangers of sitting.

While health officials have issued guidelines recommending minimum amounts of physical activity, they haven't suggested people try to limit how much time they spend in a seated position.

"After four hours of sitting, the body starts to send harmful signals," Ekblom-Bak said. She explained that genes regulating the amount of glucose and fat in the body start to shut down.

Even for people who exercise, spending long stretches of time sitting at a desk is still harmful. Tim Armstrong, a physical activity expert at the World Health Organization, said people who exercise every day -- but still spend a lot of time sitting -- might get more benefit if that exercise were spread across the day, rather than in a single bout.

That wasn't welcome news for Aytekin Can, 31, who works at a London financial company, and spends most of his days sitting in front of a computer. Several evenings a week, Can also teaches jiu jitsu, a Japanese martial art involving wrestling, and also does Thai boxing.

I'm sure there are some detrimental effects of staying still for too long, but I hope that being active when I can helps," he said. "I wouldn't want to think the sitting could be that dangerous."

Still, in a study published last year that tracked more than 17,000 Canadians for about a dozen years, researchers found people who sat more had a higher death risk, independently of whether or not they exercised.

"We don't have enough evidence yet to say how much sitting is bad," said Peter Katzmarzyk of the Pennington Biomedical Research Center in Baton Rouge, who led the Canadian study. "But it seems the more you can get up and interrupt this sedentary behavior, the better."

Figures from a U.S. survey in 2003-2004 found Americans spend more than half their time sitting, from working at their desks to sitting in cars.

Experts said more research is needed to figure out just how much sitting is dangerous, and what might be possible to offset those effects.

"People should keep exercising because that has a lot of benefits," Ekblom-Bak said. "But when they're in the office, they should try to interrupt sitting as often as possible," she said. "Don't just send your colleague an e-mail. Walk over and talk to him. Standing up."


Comments: Post a Comment

<< Home

Archives

August 2020   July 2020   June 2020   May 2020   April 2020   March 2020   February 2020   January 2020   December 2019   November 2019   October 2019   September 2019   August 2019   July 2019   June 2019   May 2019   April 2019   March 2019   February 2019   January 2019   December 2018   November 2018   October 2018   September 2018   August 2018   July 2018   June 2018   May 2018   April 2018   March 2018   February 2018   January 2018   December 2017   November 2017   October 2017   September 2017   August 2017   July 2017   June 2017   May 2017   April 2017   March 2017   February 2017   January 2017   December 2016   November 2016   October 2016   September 2016   August 2016   July 2016   June 2016   May 2016   April 2016   March 2016   February 2016   January 2016   December 2015   November 2015   October 2015   September 2015   August 2015   July 2015   June 2015   May 2015   April 2015   March 2015   February 2015   January 2015   December 2014   November 2014   October 2014   September 2014   August 2014   July 2014   June 2014   May 2014   April 2014   March 2014   February 2014   January 2014   December 2013   November 2013   October 2013   September 2013   August 2013   July 2013   June 2013   May 2013   April 2013   March 2013   February 2013   January 2013   December 2012   November 2012   October 2012   September 2012   August 2012   July 2012   June 2012   May 2012   April 2012   March 2012   February 2012   January 2012   December 2011   November 2011   October 2011   September 2011   August 2011   July 2011   June 2011   May 2011   April 2011   March 2011   February 2011   January 2011   December 2010   November 2010   October 2010   September 2010   August 2010   July 2010   June 2010   May 2010   April 2010   March 2010   February 2010   January 2010   December 2009   November 2009   October 2009   September 2009   August 2009   July 2009   June 2009   May 2009   April 2009   March 2009   February 2009   January 2009   December 2008  

Powered by Lottery PostSyndicated RSS FeedSubscribe