Yes I am with kodemaster. But if you really want a kick try running until you are at the verge of throwing up due to exhaustion, that should release quite a massive dosis of painkillers in the brain
(joke)
Endorphines are your body's way of commending you when you have done something hard.
Some runners are almost addicted to the rush of endorphines. The term "running high" is what happens when you run and you brain release endorphins at the same time. Then it feels like you are flying

Endorphines are your body's way of commending you when you have done something hard.
Some runners are almost addicted to the rush of endorphines. The term "running high" is what happens when you run and you brain release endorphins at the same time. Then it feels like you are flying
