Agreed. One of the very best decisions I've ever made in my life was to go car-free (which is unfortunately not an option for most Americans :( ). So my commu

Agreed. One of the very best decisions I've ever made in my life was to go car-free (which is unfortunately not an option for most Americans :( ). So my commutes don't involve sitting, but walking. If you have the option to give up your car, do it.