Doctors debate fevers

Dear Doctor: I'm confused about fever. What is considered a fever? And if fever is the result of a person's body fighting a disease, why is it bad for us? It seems to make no sense to treat a person by lowering their fever.

Dear Reader: You've asked a fascinating question that, believe it or not, has been a subject of debate for thousands of years.

As you point out, a fever isn't a disease. Rather, …