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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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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.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).