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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%.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.