Exposure to high levels of the body’s primary stress hormone – cortisol – in preterm fetuses can disrupt normal heart development, potentially increasing the risk of cardiovascular disease in later ...

Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...

Cardiovascular diseases (CVDs) remain the leading cause of death worldwide. Several risk factors, including genetics, sex, and age, increase the risk of CVDs. Other factors that contribute to CVD ...

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 ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...