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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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The longest a person has survived after a heart transplant is 24 years.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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