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Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
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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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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.