There are more sensory neurons in the tongue than in any other part of the body.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
