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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.