Workplace negativity - whether from your boss or other colleagues - delivers a triple-whammy punch.

Not only does it shadow your own view on the world, it’s also a trigger for emotional fatigue, causing chronic stress that can be as bad for you as second-hand smoke.

But, because the steady stream of implicit resentment, sarcasm or hostility comes from an outside source, it can be difficult to control.

How to put a lid on such behaviour and stop it from affecting you - short of physically removing yourself from the situation?

Christine Hansen, nutritional therapist and founder of wellbeing website sleeplikeaboss.com has a three-point strategy that might help.

Use this three-step strategy to tackle negativity at work