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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).
The temperature of the atmosphere decreases by a lapse rate, mostly caused by convection and the adiabatic expansion of air with decreasing pressure. [44] At the peak of Mount Everest, the average summer temperature is −19 °C (−2 °F) and the average winter temperature is −36 °C (−33 °F). [ 45 ]
There are many different ways to measure temperature. Typically, a thermometer can be used to measure environmental temperature. However, high humidity, or the amount of water that has evaporated into the air in the form of water vapor, can often make the temperature outside feel hotter than the measured temperature. [24]
In fact, one of the most surprising characteristics of an alcohol-induced blackout is that people can actually appear to be aware and — on the surface — able to make decisions.
A cold shock is when bacteria undergo a significant reduction in temperature, likely due to their environment dropping in temperature. To constitute as a cold shock the temperature reduction needs to be both significant, for example dropping from 37 °C to 20 °C, and it needs to happen over a short period of time, traditionally in under 24 ...
The cold water can also cause heart attack due to vasoconstriction; [4] the heart has to work harder to pump the same volume of blood throughout the body, and for people with heart disease, this additional workload can cause the heart to go into arrest. A person who survives the initial minute of trauma after falling into icy water can survive ...
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In fact, while magnesium and melatonin are commonly taken by people trying to get better shuteye, magnesium can cause gastrointestinal issues and melatonin is often sold in higher doses than what ...