On the other hand, walking for errands is great exercise. I find it strange that people make such an effort to go to the gym, but also make such an effort to av

On the other hand, walking for errands is great exercise. I find it strange that people make such an effort to go to the gym, but also make such an effort to avoid natural built-into-life exercise. Walking and any kind of motion is great, especially for those of us in a job that involves so much sitting! There was a great poster campaign here in New York encouraging people to get off the subway one stop early, or take the stairs, showing the extra calories burned.