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Illicit drug use costs the United States approximately $181 billion every year.
Blood is approximately twice as thick as water because of the cells and other components found in it.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
There are more bacteria in your mouth than there are people in the world.
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