A new study shows that people with critical illnesses are more likely to develop post-traumatic stress disorder and other psychiatric illnesses than people who haven't experienced a life-threatening disease.
Studies show that people with diabetes and heart disease have greater than normal chances of suffering from depression, a mental illness that can interfere with daily life and any enjoyment of it.
But what about illnesses so severe that those who have them end up in hospital intensive care units?
Dr. Derek Angus of the University of Pittsburgh Medical Center led a
