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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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