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Thyroid conditions may make getting pregnant impossible.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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