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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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