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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Your heart beats over 36 million times a year.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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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.