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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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