Max Plenke has a nice roundup of the things that are destroying your body at this very moment, crushing the husk of your corporeal form even as your soul is stapled firmly to it with each mind-sapping click.
You don't have to be on your feet all day to avoid turning into a puddle of office-casual mulch — but you do need to be proactive.
"Those exercise fads of the week don't work," Taylor told Mic. "Get on a cardiovascular program that doesn't cause you pain, and do 30 minutes four to five times a week."
Get up and out of your seat. Take a walk. Go pick up lunch instead of ordering in.