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Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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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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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.