Staying under the orders of a tyrannical boss is harmful to mental and physical health. In the US, researchers Harvard Business School analyzed data from over 200 studies. They found that stress at work have the same negative health effects of smoking.

The American Psychological Association reports that 75% of workers believe their leader is the main cause of stress at work. By cons, 59% of them do not even leave when their work despite these bad conditions. It seems that being poorly treated as an employee would make more complicated the start to a healthier workplace. Another cause of stress, lost his job, 50% would increase the chances of having health problems.

Some unpleasant attitudes of a boss are sometimes simply the result of a relationship problem with an employee. Yet the leaders undrinkable really exist. We recognize them by their permanent aggression, their narcissism and even their violent attitudes towards their staff.