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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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Excessive alcohol use costs the country approximately $235 billion every year.

A small sample of the great diversity of seed sizes and shapes. A small sample of the great diversity of seed sizes and shapes.
Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
Hookup for testing fuel-pump current draw on any vehicle equipped with a fuel-pump relay. Hookup for testing fuel-pump current draw on any vehicle equipped with a fuel-pump relay.
Extremely Stable Air: Inversions Extremely Stable Air: Inversions
A current model for protein secretion by prokaryotes A current model for protein secretion by prokaryotes
Magnetic Force on a Current Carrying Conductor Magnetic Force on a Current Carrying Conductor
Video: Resting membrane potential - electrical polarity and maintenance requirements

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