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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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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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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.