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Did you know?
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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.