The horizontal fraction bar was introduced by the Arabs.
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Thyroid conditions may make getting pregnant impossible.
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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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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Nuclear division at the DNA level
Organization of traditional source records
Levels of Ecological Organization
Rising sea level threatens coastal communities around the world
United States Health Care System: Combining Business, Health, and Delivery