How to cure sitting disease

Here's an alternative, a sort of half way house, between sitting and standing.  Designed by the founder of Keen Shoes this is aimed at "saving us from the shocking health problems associated with sitting all day"

Its got upright posture for the body, angled work surface and a pivoting seat which is good for relieving static loads on the body.  There's a longer write up on the fastcodesign website.  Like all these designs you'd need to trial it to see if it works for the type of work you undertake.