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Approximately 500,000 babies are born each year in the United States to teenage mothers.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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.
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).
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.