“But a study suggests standing desks, which have soared in popularity in recent years, do not compensate for being inactive and may even increase the risk of conditions such as swollen veins and blood clots in the legs.”

So its not just useless, but even worse than sitting. Yikes. I guess the healthy thing is to create situations that make you move around more. Get up to drink water, get up for a snack, get up for anything else you can think of while working a desk job.