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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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There are approximately 3 million unintended pregnancies in the United States each year.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.