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 ...

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, ...

Exercise and physical activity reduce the risk of cardiovascular disease (CVD). It has been observed that an active individual is at a 30% to 40% lower risk of CVD. However, previous cross-sectional ...

When you start moving, your heart rate spikes, blood flow changes, and your brain becomes more alert. A woman begins her morning workout, a critical time when the body and brain rapidly adapt to meet ...