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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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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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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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Excessive alcohol use costs the country approximately $235 billion every year.