New Brain Effects behind “Runner’s High” – Scientific American

Now, German researchers have shown the brain’s endocannabinoid system—the same one affected by marijuana’s ?9-tetrahydrocannabinol (THC)—may also play a role in producing runner’s high, at least in mice

Source: New Brain Effects behind “Runner’s High” – Scientific American

Any runners out there?   When does runners high kick in?  I always assumed it was similar to entering a meditative state.

Go run mofo!