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 ...

High bilirubin levels in newborns may be natural and temporary. However, high bilirubin in adults could be a sign of an underlying health condition, such as jaundice, gallstones, and liver issues.

High cholesterol is a condition that occurs when levels of cholesterol in your blood are elevated enough to cause health problems, including heart disease and stroke. Sometimes known as hyperlipidemia ...

Are you worried about high blood pressure in yourself, a family member, or a friend? Your concern is well-founded. If left untreated, high blood pressure -- also called hypertension -- can lead to a ...