Most people would worry if their temperature, or the temperature of their child or other loved one, was to rise by more than a couple of degrees and they would probably act to try to reduce the temperature to nearer the normal 37C/98.6F. Surprisingly, this is not necessarily the best course of action.
Prior to the development of antibiotics and vaccines, fever struck fear into populations and caused many deaths. Modern medicines, however, have caused these diseases to be treatable or preventable. Medical research has also shown that a fever is not the body’s enemy.
Most bacteria and viruses that cause infections thrive at normal body temperatures. So raising the temperature by a few degrees is the body’s way of fighting infection by making conditions less suitable for the survival and reproducion of the infectious agent. A fever will also activate the body’s immune system by encouraging the production of white blood cells, antibodies and other infection-fighting agents. So if acting to bring down the temperature may prevent the body from fighting the infection, does this mean you should let the fever take its natural course? Not...