Are you sitting down now? At your desk? Maybe you shouldn't be. Sion Lee isn't. Lee, a 32-year-old graphic and Web designer in Las Vegas, has replaced his regular desk with a TrekDesk treadmill desk.
Glued to your desk at work? Cross that off the list of excuses for not having the time to exercise. A growing number of Americans are standing, walking and even cycling their way through the workday ...