When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
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There are about 1,400 different species of bacteria in your belly button.
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Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
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Nearly 80 percent of all sudden cardiac arrests happen at home.
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Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
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We blink 25 times a minute.
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