Coronary flow reserve (CFR) is a key sign of coronary artery disease, namely how the coronary arteries that feed blood to the heart may adapt to various physiological situations such as exercise, ...

In 1921, Otto Loewi (1873-1961) conducted experiments in frogs that used electrical stimulation to activate the vagus nerve. He discovered that stimulating the vagus nerve triggered the release of a ...

Exercise has long been recognized by clinicians, scientists and public health officials as an important way to maintain health throughout a person’s lifespan. It improves overall fitness, helps build ...

Reduced coronary blood flow, measured with an artificial intelligence-based imaging tool, predicted future cardiovascular events in patients with suspected stable coronary artery disease. These ...

When the heart has to work harder to pump blood through stiffer, narrower arteries, high blood pressure can develop. Atherosclerosis. This term is clinical for hardening of the arteries. "It occurs as ...