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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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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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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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.