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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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Illicit drug use costs the United States approximately $181 billion every year.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.