Without S. Boulardii, I am a neurotic mess who can't digest anything at all nor think straight after eating anything, so I'm inclined to believe this hypothesis.
I am also intrigued about what this means for criminality and how the line between illness and evil is likely to shift given the role of microorganisms in behavioral dysfunction; and more broadly, we don't like to admit it, but it seems that completely amoral factors can be the cause of moral, amoral, or immoral behavior.
I am also intrigued about what this means for criminality and how the line between illness and evil is likely to shift given the role of microorganisms in behavioral dysfunction; and more broadly, we don't like to admit it, but it seems that completely amoral factors can be the cause of moral, amoral, or immoral behavior.