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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.