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Everyone has one nostril that is larger than the other.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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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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The familiar sounds of your heart are made by the heart's valves as they open and close.