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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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The average office desk has 400 times more bacteria on it than a toilet.