It seems clear that a person's illness or death can have health consequences for others in his or her social network. This means that efforts to reduce disease, disability, and death can be self-reinforcing, since a decrease in the burden of these events in one person can have a cascading benefit for others. The training and assistance of caregivers can lower costs and also improve the health of patients and caregivers alike.  -   Nicholas Christakis     Quotes
It seems clear that a person's illness or death can have health consequences for others in his or her social network. This means that efforts to reduce disease, disability, and death can be self-reinforcing, since a decrease in the burden of these events in one person can have a cascading benefit for others. The training and assistance of caregivers can lower costs and also improve the health of patients and caregivers alike. Nicholas Christakis