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Author Question: An intermediate item must have at least one parent and at least one component. (Read 36 times) |
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.