Apparently sitting is a real killer:
http://www.chicagotribune.com/sns-health-sitting-too-much-story.html

     It does not matter if you exercise, after four hours of sitting the problems set in that could lead to heart attacks and other nasty pasties.
    So be it. That has to be our sacrifice for waking the team up, whom I know will not sit on their hands, but take action and save us. Hurray!!! Life has not been a vain and pointless sacrifice for the uncaring after all!
    Say, remember to write “Reduce Immigration,” on your same sex marriage card. We have to hit as many pigeons as possible.