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

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The average office desk has 400 times more bacteria on it than a toilet.

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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Video: Neuron Type Animation

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