english: But modulation networks are also activated that deliver endorphins and enkephalins, chemicals released when you're in pain or during extreme exercise, creating the runner's high.
non_english: Međutim, aktiviraju se i modulacione mreže koje isporučuju endorfine i enkefaline, hemikalije koje se oslobađaju  kada trpite bol ili tokom zahtevnog vežbanja, stvarajući sportsku euforiju.