Runner’s high is an intense feeling of elation following exercise. It is the result of chemical reactions in the brain and body during prolonged periods of exercise. Read on to find out more about ...

Many people associate a runner’s high, or the sense of euphoria felt after exercising, with endorphins. But experts now suspect another molecule may be at play. Share on Pinterest Jordan Siemens/Getty ...

What Is High Blood Pressure? High blood pressure is a problem that affects your arteries. When you have it, your blood is pushing too hard against the walls of your arteries. That makes your heart ...