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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Cyanide works by making the human body unable to use oxygen.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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