The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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There are 60,000 miles of blood vessels in every adult human.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
