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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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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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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
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The familiar sounds of your heart are made by the heart's valves as they open and close.