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Did you know?
Your heart beats over 36 million times a year.
Did you know?
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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.