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Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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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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In 1864, the first barbiturate (barbituric acid) was synthesized.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Video: Tuberculosis Testing

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