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Cyanide works by making the human body unable to use oxygen.
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.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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