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Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

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

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