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  2. Cold and heat adaptations in humans - Wikipedia

    en.wikipedia.org/wiki/Cold_and_heat_adaptations...

    Origins of heat and cold adaptations can be explained by climatic adaptation. [16] [17] Ambient air temperature affects how much energy investment the human body must make. The temperature that requires the least amount of energy investment is 21 °C (70 °F). [5] [disputed – discuss] The body controls its temperature through the hypothalamus.

  3. Cold - Wikipedia

    en.wikipedia.org/wiki/Cold

    Cold has numerous physiological and pathological effects on the human body, as well as on other organisms. Cold environments may promote certain psychological traits, as well as having direct effects on the ability to move. Shivering is one of the first physiological responses to cold. [16] Even at low temperatures, the cold can massively ...

  4. Human body temperature - Wikipedia

    en.wikipedia.org/wiki/Human_body_temperature

    Normal human body temperature ... sick, or cold. Natural rhythms. Body ... was the highest sustained value consistent with human life. A 2022 study on the effect of ...

  5. Human thermoregulation - Wikipedia

    en.wikipedia.org/wiki/Human_thermoregulation

    As in other mammals, human thermoregulation is an important aspect of homeostasis. In thermoregulation, body heat is generated mostly in the deep organs, especially the liver, brain, and heart, and in contraction of skeletal muscles. [1] Humans have been able to adapt to a great diversity of climates, including hot humid and hot arid.

  6. 'Lies my mother told me:' Debunking cold-weather myths

    www.aol.com/weather/lies-mother-told-debunking...

    According to The Guardian, scientists have traced this top cold-weather myth to a United States Army manual from the 1970s recommending a hat in the cold because "40 to 45 percent of body heat" is ...

  7. Cold hands are common in winter. When are they a sign of a ...

    www.aol.com/lifestyle/cold-hands-common-winter...

    Along with hypothyroidism, which impacts your body’s metabolism and can make you feel cold, Raynaud’s disease is another common cause of chilly hands. “This condition commonly occurs in ...

  8. Hypothermia - Wikipedia

    en.wikipedia.org/wiki/Hypothermia

    The overall effects of alcohol lead to a decrease in body temperature and a decreased ability to generate body heat in response to cold environments. [34] Alcohol is a common risk factor for death due to hypothermia. [33] Between 33% and 73% of hypothermia cases are complicated by alcohol. [30]

  9. Benefits of cold plunges may be short-lived, review finds

    www.aol.com/lifestyle/benefits-cold-plunges-may...

    “The body perceives cold as a stressor, activating an immune response that temporarily increases inflammation, much like how exercise causes short-term muscle damage before leading to strength ...