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

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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The FDA recognizes 118 routes of administration.

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Thyroid conditions may make getting pregnant impossible.

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