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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
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Asthma cases in Americans are about 75% higher today than they were in 1980.