They suffer from far more depression, insomnia, headaches and heartburn than if their boss is a man.
But for male workers, the sex of their manager makes no difference.
The Canadian team, which studied 1,800 U.S. workers, reckoned the explanation could lie in Queen Bee syndrome, in which successful women do not like to be surrounded by competitors of the same sex.
The University of Toronto scientists also suggested that many females do not like to be led by women because they see leadership as a traditionally male role.
This could be the reason why U.S. Democratic presidential candidate Hillary Clinton failed to get her party’s nomination – or why Segolene Royal lost
last year’s French presidential election.
For the research, stress levels and the physical health of workers were compared in three situations: working for one male boss, for one female boss, and those working for one of each.