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Air, water, food, shelter, sleep — and thermoregulation? We often overlook body temperature when discussing the factors necessary to sustain human life. Thermoregulation is what allows human cells to survive and thrive instead of overheating and dying, but most people don’t even think about their body temperature until something goes awry. More than just feeling hot all the time or being known for your persistently cold feet, irregularities in body temperature regulation can be dangerous and even have life-threatening consequences.

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1. The Importance of Body Temperature

Maintaining body temperature or thermoregulation is a vital part of homeostasis — keeping balance within the body. In warm-blooded creatures like humans, thermoregulation keeps the core internal temperature within a safe range, regardless of how cold or hot it is outside the body. A person's body temperature must remain within that safe range for their internal cells and organisms to survive. When the body gets too hot or too cold and this goes unaddressed, a person may experience organ failure.

up-close thermometer hot day coffeekai / Getty Images
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