Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout your ...

A heart attack, or myocardial infarction, happens when oxygen-rich blood does not reach a part of the heart muscle. When you purchase through links on our site, we may earn an affiliate commission.

Coronary artery disease (CAD) is caused by plaque buildup in the wall of arteries that supply blood to the heart. When you purchase through links on our site, we may earn an affiliate commission. Here ...

A major cardiovascular risk factor is thickening of the heart walls (hypertrophy), which can result from high blood ...

Cardiac allotransplantation is warranted in children with end-stage heart failure or irreparable congenital heart disease. A dearth of organs for transplantation has contributed to long wait-list ...

The calf muscles play a vital role in blood circulation. They are often called the body's second heart. Strong calf muscles improve venous return and prevent blood pooling. Sedentary lifestyles weaken ...