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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Cyanide works by making the human body unable to use oxygen.
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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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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.