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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 familiar sounds of your heart are made by the heart's valves as they open and close.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.