Americans should begin to stand, move and take breaks for at least two out of eight hours at work. Then, Americans should gradually work up to spending at least half of your eight-hour work day in what researchers call these "light-intensity activities."
"Taking your calls standing. Walking around. Pacing. Holding standing meetings. Walking meetings. Walking over to a colleague's desk instead of sending an e-mail. Using the stairs instead of the elevator. Taking a lunch break. Simple stuff."
Metabolism slows down 90 percent after 30 minutes of sitting. The enzymes that move the bad fat from your arteries to your muscles, where it can get burned off, slow down. The muscles in your lower body are turned off. And after two hours, good cholesterol drops 20 percent. Just getting up for five minutes is going to get things going again. These things are so simple they're almost stupid.
workers who sit for long periods against those who sit for fewer hours have found that sedentary workers have more than twice the risk of developing type 2 diabetes and cardiovascular disease, a 13 percent increased risk of cancer and 17 percent increased risk of dying.