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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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