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Did you know?

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

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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Medication errors are three times higher among children and infants than with adults.

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

Posey quick release tie Posey quick release tie
Infant Mortality Rates Worldwide Infant Mortality Rates Worldwide
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Plan of Trajan's Forum and Market "خطة منتدى ترجان والسوق" Plan of Trajan's Forum and Market "خطة منتدى ترجان والسوق"
Food service businesses Food service businesses
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Video: Protein Structure - Primary, Secondary, Tertiary and Quaternary

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