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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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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