The hospital mate

There are several hypotheses for how roommate assignments affect patients' health

Your speed of recovery in a hospital is related to many things. Among them is one you might not consider: the condition of your roommate.
 
A recent study published in the American Journal of Health Economics found that hospital patients who are assigned healthier roommates require less care and are discharged more rapidly, with no negative effects on their health. For example, a patient who rooms with the healthiest roommate has a hospital stay that is about eight hours shorter, requiring 27 per cent less medical attention, and costing about $840 less, compared with a patient with the sickest