- How the Heart Works - How the Heart Beats | NHLBI, NIH
Your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body Your heart's electrical system determines how fast your heart beats
- How Blood Flows through the Heart - NHLBI, NIH
Oxygen-poor blood from the body enters your heart through two large veins called the superior and inferior vena cava The blood enters the heart's right atrium and is pumped to your right ventricle, which in turn pumps the blood to your lungs
- Heart disease - Symptoms and causes - Mayo Clinic
Symptoms Heart disease symptoms depend on the type of heart disease Symptoms of heart disease in the blood vessels Coronary artery disease is a common heart condition that affects the major blood vessels that supply the heart muscle A buildup of fats, cholesterol and other substances in and on the artery walls usually causes coronary artery
- Heart and Vascular Diseases - NHLBI, NIH
Heart and vascular, or cardiovascular, diseases include conditions such as arrhythmias, coronary heart disease, heart attack, high blood pressure, congenital heart defects, vascular dementia, and stroke The National Heart, Lung, and Blood Institute (NHLBI) supports research on the causes, diagnosis, treatment, and prevention of heart and vascular diseases, and the interplay of these diseases
- 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
- Spotlight on UPFs: NIH explores link between ultra . . . - NHLBI, NIH
In addition to heart disease, studies have linked UPFs to weight gain, hypertension, type 2 diabetes, chronic obstructive pulmonary disease, cancer, and other problems Studies show that UPFs are also linked to health disparities, as populations with low socioeconomic status tend to eat higher amounts of these foods
- Omega-3s for heart health? Exploring potential benefits and risks
NHLBI feature article explores the potential benefits and risks of omega-3 supplements, including fish oil, for heart health
- Cardiovascular Medicine - Department home - Mayo Clinic
The Department of Cardiovascular Medicine is one of the largest and most comprehensive heart practices in the world It includes more than 240 experts in congenital heart disease in adults and children, coronary artery disease, hypertrophic cardiomyopathy, heart rhythm disorders, heart valve diseases and many other conditions
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