Health Facts

    Random Health Facts

    There are 273 Health Facts!

    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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    Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
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    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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    Hypnic Jerk
    Hypnic Jerk
    When you wake up with a jolt, it's called a Hypnic Jerk. This usually happens during the lightest stages of sleep, and can happen as a natural reaction when you fall asleep in a car or airplane.
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    Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
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    It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
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    Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
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    Poor eyesight (myopia) is associated with higher IQ.
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