I’m not the original poster, but there is definitely increasing evidence in modern health research that gut bacteria is directly linked to mental health: https:

I’m not the original poster, but there is definitely increasing evidence in modern health research that gut bacteria is directly linked to mental health: https://www.science.org/content/article/meet-psychobiome-gut-bacteria-may-alter-how-you-think-feel-and-act https://www.science.org/content/article/meet-psychobiome-gut...