Well it's true: too much coding can kill you, the real question is "what is the reason?" and the answer to that is; Chronic Stress.
Parkinson's Law says that "organizations give disproportionate weight to trivial issues." This statement later became known as Parkinson's Law of Triviality, or PLOT. Although Parkinson was referring to organizations as whole, over the years this problem has become a pervasive issue in software development.
Technology changes have moved developers, previously of little importance within the world of IT, to a central direction-setting role within companies.
If you want a vibrant and dynamic engineering culture, standing desks are a must. I view them as fundamental to a programming team as decent workstations and SSDs.
Would you rather be known as the person who does a lot of stuff that is almost right? Or the one who nails every deliverable?