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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.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%