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Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
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.
Did you know?
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.