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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The FDA recognizes 118 routes of administration.
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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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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.