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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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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.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.