Article: Fever

Fever

Definition

A fever is any body temperature elevation over 100.4 ° F (38 ° C).

Description

A healthy person's body temperature fluctuates between 97 ° F (36.1 ° C) and 100 ° F (37.8 ° C), with the average being 98.6 ° F (37 ° C). The body maintains stability within this range by balancing the heat produced by the metabolism with the heat lost to the environment. The "thermostat" that controls this process is located in the hypothalamus, a small structure located deep within the brain. The nervous system constantly relays information about the body's temperature to the thermostat, which in turn activates different physical responses designed to cool or ...

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