This goes way beyond the common sense assumption that people who sit too much are less active and thus less able to keep their weight under control. It turns out that sitting for hours at a time, as so many of us do in these days of ubiquitous computers and electronic games and 24-hour television, attacks the body in ways that have not been well understood. "

Now -- if only I can figure out how to blog standing up!

Today's exercise:  3 hours straight just walking around -- and standing -- at Marble Springs; the home of early Tennesee Governor John Sevier.  And the whole time, I wore the bionic backback with Baby on my back, for an excess of 30 pounds.