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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.