51�Թ�

“Nothing can really stimulate the amount of dopamine you get from actually hitting the ball the right way,” he says.

Translated, the brain slowly stops producing dopamine, which is crucial for movement, and the loss of this neuro-transmitter affects everything from your stride to your speech.

When females were presented with the song of her mate, dopamine levels went up.

"I mean, ultimately pro cyclists are always going to search for that dopamine hit they got while racing," Vaughters said.

“What if they get bored with me because I can’t always offer the same endless stream of dopamine that the phone in their pocket provides?”