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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.