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Did you know?

There are more bacteria in your mouth than there are people in the world.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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There are 20 feet of blood vessels in each square inch of human skin.

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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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