Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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There are 60,000 miles of blood vessels in every adult human.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
Palpating the Apical Impulse with the Patient on the Left Side
Superfical Veins
blood vessels
Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b
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Increased neurogenesis in the dentate gyrus following damage. The left panel shows (1) an ...