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June 17th, 2014
10:49 AM ET
Sitting too long may increase your cancer riskIf you’re spending a lot of time sitting every day, either in front of the TV or at work, you may be at higher risk for developing certain types of cancer, according to new research published this week in the Journal of the National Cancer Institute. The study found an additional two hours a day of sedentary behavior was linked to an 8% increase in colon cancer risk, a 10% increase in endometrial cancer risk and a 6% increase in risk for lung cancer. It did not find the same connection for breast, rectum, ovary and prostate cancers or for non-Hodgkin lymphoma. Researchers came to these conclusions by analyzing 43 existing studies - that included more than 4 million study participants and 68,936 cancer cases - to measure the relationship between hours spent sitting and certain types of cancers. It’s important to note that while the study identifies a link between sedentary behavior and an increased risk for certain cancers, the research doesn't prove cause and effect. “Does sitting in front of the TV cause colon cancer? No,” said Dr. Martin Heslin, chief of surgical oncology at the University of Alabama at Birmingham. “But the recommendations (of the study) are awesome.” Heslin, who was not involved in the research, says that in addition to sedentary behavior, several factors can increase your risk of cancer, including drinking or smoking too much, being obese and having a genetic predisposition. It’s nearly impossible to say that any one of these factors causes someone to get a specific cancer, he says, but these are the behaviors we can control to help reduce our risk. “You can affect TV time by turning it off," said Heslin, though he acknowledges it's not so easy to turn off work if you're stuck in an office all day. In that case, Heslin suggests looking for opportunities to leave your desk, such as standing up while working or taking a walk, to reduce the number of hours you spend sitting down. “If I ever have the opportunity to design (a meeting room), I’m putting a waist-high table in the room, and no chairs,” Heslin said. According to an editorial accompanying the study, organizations such as the American Cancer Society and the UK Department of Public Health address the need to reduce hours spent sitting, but do not offer any quantitative recommendations or strategies to help people improve. Daniela Schmid, one of the study's co-authors and a faculty member in the University of Regensburg's department of epidemiology and preventive medicine, hopes to change that. "The findings of our study may encourage public health efforts to expand physical activity recommendations to reduce time spent in sedentary behavior,” Schmid said. Previous studies support the findings in Schmid’s study. A 2012 study conducted by the National Institutes of Health concluded that sitting for several hours a day is bad for you, even if you are physically active. Researchers found even exercising at least 150 minutes each week – the generally accepted public health guideline for physical activity – can’t reverse the negative effects of sitting down for hours. In that study, sitting increased an individual's risk for major chronic diseases such as Type 2 diabetes, cardiovascular disease, and breast and colon cancers.
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Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love. Recent Comments
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Ban chairs!
I work as a chair salesman. The jabroni who wrote this article is trying to put me out of a job.
everything causes cancer...
Breathing raises the risk of cancer. You can't get it if you're dead.
another study by humans, for humans, reported by humans, to sell more products to humans
I quit reading this article shortly after starting to read it. It gave me a pain in the same area the article claims will be affected by cancer from sitting too much. I was afraid reading it further would give me cancer.
What to do but smoke dope. It cures cancer, say experts. Smoke it sitting down, go ahead, eating junk food
A recent study showed that doing anything except exercising and eating and living healthy can cause cancer. 100% of the participants eventually died, but not all from cancer.
Thats totally messed up im in a wheelchair I have to sit all the time
Watching too much CNN causes brain damage
oh, c'mon...maybe increased exposure to radiation from television and computers or formaldehyde from chair upholstery—did this study rule out other causes? That grant money might have served a better purpose.
This just in...Being alive causes Cancer!
Bring back real manufacturing, get rid of robots...
In other words, Americans are doomed.
Never sit down. Upon arising from bed in the morning, walk continuously. Eat breakfast, lunch, and dinner while walking. Don't ever have a desk job. Instead, get a job that requires walking all day. I don't know about using the bathroom; probably you should just do it as quickly as possible. Finally, when it is bed time, go immediately to bed without sitting down at any time.
Certainly man has been sitting forever since evolution has allowed us to develop a relative large posterior or butt that makes sitting comfortable.
BREAKING NEWS !!! reading this non sense causes brain cancer
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Sooo. Eat less, exercise more. Groundbreaking. Simply life changing.
When I'm sitting too long, I drink water so much, coz I think it can make me to hard for stand up And so, I'm wallking to lose my energy.... Step by step..... Thankss for information
Exercise my people..... enjoy the art of working out...
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Well made chairs will provide you with a healthy comfortable sit this article lists 10 of the best stool chairs in the united states http://best10for.com/good-quality-cheap-barstools/10-best-backless-stool-chairs-review-2016-2017/
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Sitting too long is also bad for your heart and I try to get up at least every 20 minutes at work and walk around . Good article
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