Why Rituals Exist Everywhere & The Exercise Paradox - SYSK Choice

2115.347 - 2139.305 Daniel E. Lieberman

And I have lots of dopamine receptors in my brain that are thirsty and hungry for more dopamine. And when I exercise, they get that dopamine hit. And if I don't exercise, they make me crabby and unpleasant. But the thing is, if you're unfit and or struggling with your weight, those dopamine receptors are going to be fewer in number and possibly even impaired in their function.