We’ve all heard the saying, “Your chair will kill you!” But what does that really mean? How could sitting possibly be as bad as smoking? Today, we’re diving into the facts behind this modern-day health concern, and more importantly, we’ll discuss how you can fight back—without taking it sitting down, so to speak.
In 2012, scientists reviewed 18 studies on the subject and published their findings in Diabetologia. The researchers compared people who spent long periods sitting with those who moved more throughout the day. The findings were alarming.
The study found that people who sit for long periods have a significantly higher relative risk of developing serious health conditions compared to those who sit less. Specifically:
These percentages are relative, meaning they compare the risk between the high-sitting and low-sitting groups. The higher the rate, the greater the risk difference between these two groups.
For instance, a 147% increase in the risk of cardiovascular events doesn’t mean that sitting guarantees you’ll have heart problems. Instead, it means that if you’re in the high-sitting group, your risk is 1.47 times greater than someone in the low-sitting group.
But why is sitting being compared to smoking? The phrase “sitting is the new smoking” gained attention after an article in the LA Times featured Dr. Anup Kanodia, a physician and researcher at Ohio State University. He referenced two significant studies:
One Australian study published in The British Journal of Sports Medicine in 2012 found that every hour spent watching TV (and presumably sitting) could shorten your lifespan by about 22 minutes. For comparison, smoking a cigarette is estimated to cut about 11 minutes from your life. This suggests that prolonged sitting could be even more harmful than smoking.
You might think, “But I work out every morning—doesn’t that protect me?” Unfortunately, the answer isn’t as reassuring as we’d like. A 2010 American Journal of Epidemiology study followed 123,000 people over 13 years and found that even regular exercise didn’t fully offset the risks associated with prolonged sitting. Men who sat for most of the day were 18% more likely to die during the study, while women’s risk increased by 37%. These results held true regardless of how much exercise participants got outside their sitting time.
So, what’s the antidote to this “sitting disease”? It depends on how far you want to go. Dr. James Levine, an endocrinologist at the Mayo Clinic, famously said, “The chair is out to kill us.” To combat this, he installed a treadmill in his office so he could walk all day.
But you don’t need to go to such extremes. Most experts recommend taking small, frequent breaks every 30 to 60 minutes during your day. Stand up, stretch, and walk around a bit. Even free software options, like Workrave (www.workrave.org), remind you to take these breaks.
From an osteopathic perspective, we often refer to people who work in offices as “professional sitters.” After all, anyone who spends 8+ hours a day, 5 days a week, doing anything is clearly a professional, and we try to create the best environment for them. That means good ergonomics and a good chair. Even though comfort and alignment are the goals here, we still need to get up and move!
If you want us to work with you to help make “Your Lifestyle Your Medicine”, email me at ed@edpaget.com.
References
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