Farmer, P., Stevenson, D., (2017): ‘The correct way to view mental health is that we all have it and we fluctuate between thriving, struggling and being ill and possibly off work’.
World Health Organisation, 2014: ‘A state of wellbeing in which every individual realises his or her own potential, can cope with the normal stresses of life, can work productively and fruitfully and is able to make a contribution to her or his community’.