In addition to the studies cited above, a review article by Theodore F Robles and Janice K Kiecolt-Glaser (Physiol Behav. 2003 Aug;79(3):409-16) describes the physiological pathways by which unhappy m arriages...
A large body of research has clearly demonstrated the association of violence and abuse with chronic health conditions, poor quality of life, increased health care visits and increased cost of health care...