True, but anecdotal data are also useful. I came to this thread to see what a bunch of other deep thinkers think about standing desks and if they have any stories to tell. For my part, I made one some years ago, and have found it to be invaluable, not because of the standing, but because it's uncomfortable to stand but not distractingly so, which keeps me moving around a bit and shifting positions and taking short breaks while I work. Although the same is true about sitting down at a desk, but it's easier to do these with a standing desk which encourages me to do them more often than when I'm sitting.