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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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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.