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Did you know?
Your heart beats over 36 million times a year.
Did you know?
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.