There are more sensory neurons in the tongue than in any other part of the body.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.