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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.
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.