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The longest a person has survived after a heart transplant is 24 years.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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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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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.