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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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The average adult has about 21 square feet of skin.
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Medication errors are three times higher among children and infants than with adults.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.