Nerve cells? Sure. But...probiotics play a major role in anxiety/depression and other psych issues. There isn't a ton of research but it's fairly clear that the

Nerve cells? Sure. But...probiotics play a major role in anxiety/depression and other psych issues. There isn't a ton of research but it's fairly clear that the bacteria in the gut contribute to a person's psych well-being. Various sources: https://www.google.com/#q=probiotics+psychological+effects+site:.gov+OR+site:.edu https://www.google.com/#q=probiotics+psychological+effects+s...