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Normal Body Temperature

The body temperature normally fluctuates throughout the day. It increases after eating, for example. It may increase at night, especially when ill. It may also decrease at night when the person is well.

Eating and Liquids

Food and fluids help us regulate body temperature, as do some hormones.

Body Temperature During Illness

An increase in body temperature is a normal way of reacting to a foreign allergen or pathogen. Generally pyrogens are produced in the body which elevate the body temperature. Due to sudden change in temperature, the microbes are unable to sustain their own health and most of them die. However, even after the microbes begin to die, the human body can experience elevated temperature for several more days to a week.

Death

Death stops body processes, including hormone production, respiration, blood circulation, energy consumption by cells, etc. All of these processes either create or sustain "heat" or warmth while alive. When a person dies, their skin and internal organ temperature stays "warm" for several hours, but then the body begins to cool and feel cool to the touch. The body does not feel "cold" to the touch for many hours. Most times, relatives only touch a deceased person (if they do at all) when the body has been in the morgue or funeral home and has been kept in very cold refrigeration.

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