Heart disease is still the leading cause of death in the US, according to the American Heart Association's 2025 Heart Disease and Stroke Statistics Update. In the US, someone dies of cardiovascular ...

A study has found that people exercise regularly, quit smoking, and practice five other health strategies can improve their chances of living longer after cancer.

Cardiovascular endurance enables you to exercise or move for a long time without getting tired. The "Talk Test" can help you measure your cardiovascular endurance by noting when conversation becomes ...

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

Diets high in ultra-processed foods, sugars, and unhealthy fats can increase heart disease risk. Changing your diet can have a positive effect on your heart, even if you already have heart disease.

What Is the Heart Conduction System? The heart conduction system is made up of cells, nodes, and signals that help your heart to beat. In fact, the cardiac conduction system is responsible for our ...

Some studies point to melatonin use as beneficial to heart health, while others say the opposite. Here’s how to make sense of the complex research. Melatonin may be one of America’s most trusted sleep ...