“Doctors and nurses do better in survival situations, because they’re helping others,” says Gonzales. “This goes hand-in-hand with the psychological concept of the locus of control. Some people see themselves as victims and others take the view that they have agency in this world and can make things better. They’re rescuers, not victims.”
Laurence Gonzales's 2003 book, Deep Survival: Who Lives, Who Dies, and Why,