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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.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Your heart beats over 36 million times a year.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.