- A study in Norway found that 7.8% of people could be addicted to work
- Almost a third of workaholics meet the criteria for ADHD, researcher says
- Anxiety, OCD and depression are also linked to workaholism
Vital Signs is a monthly program bringing viewers health stories from around the world.
(CNN)The difference between enthusiasm for work and addiction to it can sometimes be difficult to discern, especially when it's so easy to take work home on a smartphone or laptop.