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Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
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?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.