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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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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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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.