Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

See how many jumping jacks after 60 signal strong cardio, plus simple steps to increase your count safely each week.

Your heart pumps blood from your head to your toes, provides cells with fresh oxygen, and removes waste products. Located in ...

Researchers creating a digital twin that for the first time replicates the heart's electrical conduction system, which coordinates heartbeats, a study says.

There are numerous paths to living a longer, healthier life, mostly through physical activity, diet and other lifestyle factors. But according to board-certified cardiovascular surgeon Dr. Jeremy ...