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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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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Everyone has one nostril that is larger than the other.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).