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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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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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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

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