The World Health Organization just officially classified work burn out as a new disease.

That means that by 2022, doctors will be able to diagnose burn out and, in theory, they'll prescribe treatments that insurance companies should cover.

So what is burn out? The official definition is, "chronic workplace stress that has not been successfully managed."

And the three symptoms are: Exhaustion... feeling negative, cynical, or detached from your job... and less efficiency and effectiveness at work.

Read more at Daily Mail.