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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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The horizontal fraction bar was introduced by the Arabs.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.