CD Ryff et al. Psychother Psychosom (2006) Vol.75 p 85–95
“Psychological Well-Being and Ill-Being: Do They Have Distinct or Mirrored Biological Correlates?”
The problem is that duty of care will be established on the basis of linear logic: if x is a cause of stress then stop doing x or provide more of the opposite of x. The logic has been assumed rather than validated. This research shows the assumption is unsound in more ways than it was sound.