The familiar sounds of your heart are made by the heart's valves as they open and close.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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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.