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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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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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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.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.