A myocardial infarction (MI), or heart attack, doesn't just damage the cardiovascular system—it can dramatically reshape how ...

A myocardial infarction (MI), or heart attack, doesn’t just damage the cardiovascular system—it can dramatically reshape how ...

Researchers studying tattoo ink accidentally stumbled upon evidence of a vast microscopic fluid network inside the human body that some scientists now believe could reshape medicine itself.

Exercise may do far more than strengthen the heart and muscles. New research suggests regular aerobic activity can physically reshape the nervous system that controls the heartbeat, altering key nerve ...

Most people think heart attacks are mainly caused by long-term problems such as smoking, obesity, high cholesterol, or lack ...

Heart rhythm disorders, also called arrhythmias, can be dangerous and sometimes deadly. These conditions happen when the ...

Arteries are blood vessels. Most carry oxygen-rich blood from the heart to various organs and tissues. Arteries are a part of the circulatory system, along with the heart and other blood vessels. The ...