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Did you know?
The horizontal fraction bar was introduced by the Arabs.
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%).
Did you know?
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.