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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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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.