Study sounding the alarm about damaging effects of sitting

If you’re one of the many who sit for long hours at the computer, eating meals, driving, watching TV or playing video games, listen up. You may be increasing your risk of developing chronic diseases like heart disease, cancer and diabetes.
Dr. Neville Owen, who studies the effects of sedentary behavior at the Baker IDI Heart and Diabetes Institute in Melbourne, Australia, estimates that those sedentary acivities add up to 15.5 hours spent siting each day.
When you’re sitting, your large muscles, especially those of the legs, are completely inert. They are passive. This creates changes in your body’s metabolism that produces a number of biological signals that are linked to cancer. There is a strong relationship between physical inactivity and caner.
The good news is that you don’t have to do strenuous exercise to prevent being at risk. Simply standing every 30 minutes is enough to estimulate your body to wake up. Just be sure you move, intermittently, all day long. Of course, it won’t hurt if you work out on a regualr basis.

Carrie Gann, ABC News Medical Unit
7/10/2012