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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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Selected Minerals: Food Sources, Functions, and Deficiency and Toxicity Symptoms (continued)
Organization of the Food and Drug Administration showing the seven centers that regulate human and ...