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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
![A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_44_55_29461604.png)
![Typical timing marks. The numbers of the degrees are on the stationary plate and the notch is on ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_7_49_58_29858613.png)