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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
People about to have surgery must tell their health care providers about all supplements they take.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
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