The national advocacy and education organisation Mental Health America is involved in a long-term project addressing workplace bullying and mental health. Preliminary results from the group's survey work found that 80 per cent of people who feel they are in an "unhelpful or hostile work environment" say they prefer to work alone rather than in teams.
Clearly, this is not all the result of in-your-face bullying.
"People are targeted for a variety of reasons and before they even know that they're targeted, they've already been impacted," says Andrew Faas, author of The Bully's Trap: Bullying in the Workplace and head of the nonprofit Faas Foundation, which is supporting the MHA's work. "School bullying is far more overt, whereas workplace bullying is far more subtle and complex.