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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.
Excessive alcohol use costs the country approximately $235 billion every year.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
In 1864, the first barbiturate (barbituric acid) was synthesized.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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