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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.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh
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Video: Definition of heart rate

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