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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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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![The gaping hole in the destroyer USS Cole, in the port of Aden, Yemen, was the work of suicide bombe](https://biology-forums.com/gallery/47/medium_27_24_08_15_1_42_53_22398558.jpeg)