Running actually burns more calories per hour than cycling, swimming or tennis.
The effect of happiness that running has on your body comes from endorphins, which are powerful hormone-like substances produced in the brain that function as the body's own natural painkillers. During exercise, there is a release of endorphins in the body that are capable of producing feelings of euphoria and a general state of well-being. The feelings produced can be so powerful that they can actually mask pain.
Proving the point, Newton Yap from Runners Malaysia says: "Running is intoxicating in a good way unlike alcohol or cigarette addiction. When the endorphins course through my veins, I get 'high' but without the hangover. Running calms and cleanses what even the best drug or sedative and soaps cannot get at – the mind, heart and soul. Satisfaction guaranteed almost every time I do it.Read the full article