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Did you know?
The average adult has about 21 square feet of skin.
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There are 20 feet of blood vessels in each square inch of human skin.
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Your heart beats over 36 million times a year.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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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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