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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The horizontal fraction bar was introduced by the Arabs.