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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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People about to have surgery must tell their health care providers about all supplements they take.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.