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 ...

Both arteries and veins are types of blood vessels in the cardiovascular system. An artery carries blood away from the heart, and a vein carries blood back to the heart. Blood vessels are essential ...

Is your heart rhythm chaotic? Researchers found that chaotic heartbeat patterns, not traditional HRV, are the secret to tracking cognitive brain activity.

Neurotransmitters are chemical messengers in the body. Their function is to transmit signals from nerve cells to target cells. These signals help regulate bodily functions ranging from heart rate to ...