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Heart Attack - Causes and Risk Factors | NHLBI, NIH
What causes a heart attack? The most common cause of a heart attack is coronary artery disease, which is the most common type of heart disease. This is when your coronary artery cannot carry enough oxygen-rich blood to your heart muscle. Most of the time, coronary artery disease happens when a waxy substance called plaque builds up inside your arteries, causing the arteries to narrow. The ...
Heart Attack - What Is a Heart Attack? | NHLBI, NIH
A heart attack is a life-threatening medical emergency that requires immediate treatment. Learn about prevention, symptoms, causes, and treatments for heart attacks.
Heart Attack Symptoms - NHLBI, NIH
Heart attack symptoms can start slowly and can be mild or more serious and sudden. Learn more about symptoms for heart attacks.
Heart Attack Heart Attacks in Women - NHLBI, NIH
The causes, risk factors, and symptoms of a heart attack can be different in women compared with men. Learn about the symptoms and causes for heart attacks in women.
Heart Attack - Treatment | NHLBI, NIH
Your doctor or emergency medical personnel may start treatment even before they confirm that you are having a heart attack. Early treatment to remove the blood clot or plaque can prevent or limit damage to your heart, help your heart work better, and save your life.
Physical Activity and Your Heart - Benefits | NHLBI, NIH
Physical activity strengthens your heart and improves lung function When done regularly, moderate- and vigorous-intensity physical activity strengthens your heart muscle. This improves your heart's ability to pump blood to your lungs and throughout your body. As a result, more blood flows to your muscles, and oxygen levels in your blood rise.
Heart Attack - Recovery | NHLBI, NIH
Most people survive heart attacks and live active, full lives. If you get help quickly, your treatment can limit damage to your heart muscle. Less heart damage and healthy lifestyle changes improve your chances of a better quality of life after a heart attack.
Coronary Heart Disease Risk Factors - NHLBI, NIH
Your risk of coronary heart disease increases based on the number of risk factors you have and how serious they are. Some risk factors — such as high blood pressure and unhealthy cholesterol levels can be adjusted through heart-healthy lifestyle changes. Other risk factors, such as your age, family history, and race and ethnicity, cannot be changed.
How Smoking Affects the Heart and Blood Vessels - NHLBI, NIH
Smoking is a major risk factor for heart disease. The chemicals you inhale when you smoke cause damage to your heart and blood vessels that makes you more likely to develop atherosclerosis, or plaque buildup in the arteries. Any amount of smoking, even occasional smoking, can cause this damage to the heart and blood vessels.
Know the Differences: Cardiovascular Disease, Heart Disease, Coronary ...
Cardiovascular disease is the term for all types of diseases that afect the heart or blood vessels, including coronary heart disease (clogged arteries), which can cause heart attacks, stroke, heart failure, and peripheral artery disease. More than 800,000 people die of cardiovascular disease every year in 1 in 3 deaths the United States.
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