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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
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.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths 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.
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