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The normal human body temperature is often stated as 36.5–37.5 °C (97.7–99.5 °F). [ 8 ] [ 9 ] In adults a review of the literature has found a wider range of 33.2–38.2 °C (91.8–100.8 °F) for normal temperatures, depending on the gender and location measured.
[37] [38] Normal daily temperature variation has been described as 0.5 °C (0.9 °F). [7]: 4012 A raised temperature is not always a fever. [37] For example, the temperature rises in healthy people when they exercise, but this is not considered a fever, as the set point is normal. [37]
In humans, hyperthermia is defined as a temperature greater than 37.5–38.3 °C (99.5–100.9 °F), depending on the reference used, that occurs without a change in the body's temperature set point. [3] [10] The normal human body temperature can be as high as 37.7 °C (99.9 °F) in the late afternoon. [2]
Most have a normal body temperature set point that falls within the range of 36.0 to 37.5 °C (96.8 to 99.5 °F). [13] The main reason for checking body temperature is to solicit any signs of systemic infection or inflammation in the presence of a fever. Fever is considered temperature of 37.8 °C (100.0 °F) or above. [13]
Sufficient stress from extreme external temperature may cause injury or death if it exceeds the ability of the body to thermoregulate. Hypothermia can set in when the core temperature drops to 35 °C (95 °F). [2] Hyperthermia can set in when the core body temperature rises above 37.5–38.3 °C (99.5–100.9 °F).
Past research suggests that our body temperature can vary by as much as 2 degrees overnight, and that a drop in temperature may help get our bodies and brains ready for a great night’s sleep, Dr ...
Hyperthermia and fevers are defined as a temperature of greater than 37.5–38.3 °C (99.5–100.9 °F). [8] ... In both adults and children, overexertion causes ...
For adults aged 65 and over, the best bedroom temperature for sleep might be warmer than you think, according to a new study. Try keeping it in this range. New study reveals best bedroom ...