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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.