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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.