Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The FDA recognizes 118 routes of administration.
Like all animals, primates must balance their calories expended searching for food with calories, pr
Early in the twentieth century, when malnutrition was common, companies such as this one advertised