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Body temperature and sleep
Short answer: To fall asleep, your body temperature needs to drop by around half a degree. Anything that prevents tha...
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Why you get cold when you are hungry
Short answer: The body uses energy from food to produce heat. If you have not eaten for many hours, it has less to wo...
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Why you get cold when you are tired
Short answer: When you are tired, your body lowers its metabolism to save energy. A lower metabolism means less heat,...
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Swollen feet after a long day
Short answer: Your feet swell because fluid gathers in the lower part of the body when you stand or sit still for a l...
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What close fitting clothes do to circulation
Short answer: Close fitting clothing only becomes a problem when it leaves marks that stay. Light pressure makes no d...
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When seams leave marks
Short answer: A seam that leaves marks sits where clothing is pressed against the skin. It is rarely the seam that is...
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Pressure from elastic on the skin
Short answer: Elastic that leaves a mark is either too tight or too narrow. The pressure is concentrated on a small a...
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Friction between the thighs
Short answer: Thighs that touch rub against each other with every step. In heat and humidity the skin softens, and ir...
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Chafing and where it happens
Short answer: A chafing sore needs three things at the same time: moisture, friction and time. Remove one of them and...
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Why the feet get cold late in the day
Short answer: By the end of the day, your feet have been standing or sitting for many hours. Blood finds it harder to...
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Why the neck feels cold first
Short answer: The neck has large blood vessels close to the surface and is rarely covered. That makes it one of the p...
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Where the body gives off the most heat
Short answer: The body gives off heat everywhere, but most where the blood vessels lie close to the skin. The head, n...
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