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 one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Energy flows in a typical gasoline-powered car
Typical glycoprotein
A typical distillation curve. Heavier molecules evaporate at higher temperatures and contain more ...
A typical two-wire coil-on-plug ignition system showing the triggering and the switching being ...
Poor ventilation of oceans
Early growth of the common bean (Phaseolus vulgaris), a typical eudicot.