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Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
The human body produces and destroys 15 million blood cells every second.
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?
Everyone has one nostril that is larger than the other.
Did you know?
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.