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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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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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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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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l
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Video: Cardiac Cycle (Part 1 of 4)

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