Cindy Kludt, a counselor who works with overworked nurses, says rudeness in hospitals corresponds with the stress of people constantly working under life-and-death circumstances.
And so if you think you're being more productive, you're actually being less productive and you're on your way to burnout if you can't take that break.
Chronic stress, like being overworked or having arguments at home, can affect brain size, its structure, and how it functions, right down to the level of your genes.
The same T-cell clone produced cells acting like reserves and cells acting like burnouts, purely based on whether they were inside a niche or out fighting near tumor cells.