They say workaholics are driving themselves into an early grave.
But a new study shows that is not always the case.
People who love their job do not suffer negative health outcomes from working overtime and responding to emails around the clock.
The finding controversially calls into question the current wave of research warning over-workers suffer from ADHD, have a high risk of depression, and could suffer heart problems from sleeplessness.
'Engagement is key,' says Professor Lieke ten Brummelhuis, the lead researcher at Simon Fraser University's Beedie School of Business.
Canadian researchers have found people who love their job can work excessively without fearing for their health (file image)
'There's a big difference between workers whose propensity to overwork and inability to detach after hours stem from absorption in the challenges their job presents (in other words, engagement) and those for whom it reflects, say, anxiety about the job or obsessive ambition.'
The term 'workaholism' was first used in the 1950s by psychologists looking to define what they saw as a process addiction, akin to gambling.
The researchers collaborated with the University of Pennsylvania and the University of North