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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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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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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Many former slaves understood that illiteracy was an implement of bondage. The Freedmen’s Bureau bui Many former slaves understood that illiteracy was an implement of bondage. The Freedmen’s Bureau bui
Signs and symptoms of breathing difficulty. Signs and symptoms of breathing difficulty.
"a) To begin push-hands exercise, touch hands. b) Then lean into each other with your full ... "a) To begin push-hands exercise, touch hands. b) Then lean into each other with your full ...
When does old age begin? And what activities are appropriate for the elderly? From this photo that I ... When does old age begin? And what activities are appropriate for the elderly? From this photo that I ...
Place one hand on the medial and one on the lateral thigh to begin horizontal stroking. Slide hands ... Place one hand on the medial and one on the lateral thigh to begin horizontal stroking. Slide hands ...
Foundations of American Education: Becoming Effective Teachers in Challenging Times Foundations of American Education: Becoming Effective Teachers in Challenging Times
Video: Reflex arc construction

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