[natalyarostova]

Anecdotal proof often precedes formal proof. If the cost is low and there exists potential expected benefit it can still be rational to do it.

[greenhatman]

Sadly, it's generally quite expensive.

[crooked-v]

It doesn't have to be noticeably more expensive than a normal desk arrangement. Just get a static standing-height desk (longer legs, no special motorized stuff), and a drafter's chair with a seat adjustable to barstool height.