According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
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Cyanide works by making the human body unable to use oxygen.
Superior view of heart valves illustrating position, size, and shape of each valve.
Interior view of the heart chambers.
Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ