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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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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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Thyroid conditions may make getting pregnant impossible.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").