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Did you know?
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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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The horizontal fraction bar was introduced by the Arabs.