Is Exercise Associated With Gi Symptoms?

There is a lot of evidence that athletes tend to have a more healthy micro flora. And there's certainly been plenty of research showing that greater diversity seems to help with a lot of these g i problems, such as grones,. Such as i b s. There hasn't been any direct research on the actions of exercise underlying systemic inflammation and gi symptoms. So we know that if you completely remove the microbita from an animal, it definitely causes no physiological and physical changes at impact health. Now, how do we study that in human obvicy? We can't raise people in germ free environments in an ethical manner.