Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. There's perhaps no element of the body that captures our imagination more than the heart. We link it ...

'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 ...