Yes. I agree. Sitting to long can do some pretty bad things to our bodies.
Some commentators call sitting the new smoking because of its deleterious effects. I have posted on the physical effects of sitting too long previously. You can read further:
Sitting Too Much is Killing Us – New York Times
Sitting is the New Smoking
Areas of the Body Affected by Sitting too Long – Infographic
Sitting Is Killing You – Infographic
Exercising More, Sitting Less Reduces Heart Failure Risk in Men
Too Much Sitting can be Hazardous to Your Health and Longevity