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There are more sensory neurons in the tongue than in any other part of the body.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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There are 60,000 miles of blood vessels in every adult human.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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