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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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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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