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There are approximately 3 million unintended pregnancies in the United States each year.

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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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