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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).