The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

Your average daily heart rate is a useful metric; so is your daily step count. Combining the two might be even better. By Matt Richtel Many people use a smartwatch to monitor their cardiovascular ...

In addition to lower heart rate variability, the researchers observed a predominance of the sympathetic nervous system over the parasympathetic nervous system in volunteers infected with SARS-CoV-2.