The heart beats around 100,000 times a day, yet most people rarely think about how fast, or how efficiently it’s working, ...

Your cardiovascular system consists of your heart, blood vessels, and blood. Together, they are a liquid transport network. This system delivers oxygen and nutrients to your body and picks up waste ...

'The key with HIIT is to exercise at a high enough intensity to influence the push of your heart, and the stretch of your blood vessels. True high-intensity intervals are three minutes or less, and ...

Chronic diseases are the leading cause of death and disability in the United States. A newly defined, dangerous condition highlights the close relationship among several of these common chronic ...