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Author Question: Arthur wakes frequently to check to see if his sleeping infant, Sam, is breathing. Arthur can reduce ... (Read 99 times) |
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.