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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.