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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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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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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Adults in late adulthood may need to adapt to a new environment as they age and their health status Adults in late adulthood may need to adapt to a new environment as they age and their health status
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