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Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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By definition, when a medication is administered intravenously, its bioavailability is 100%.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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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.

Gaston III, Count of Foix, Book of the Hunt, 1387–88 Gaston III, Count of Foix, Book of the Hunt, 1387–88
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