https://www.bbc.com/future/article/20230120-how-gut-bacteria-are-controlling-your-brain

https://cen.acs.org/biological-chemistry/microbiome/gut-might-modify-mind/97/i14

Simplified explanation:

https://atlasbiomed.com/blog/9-ways-gut-bacteria-and-mental-health-probiotics-and-depression-are-linked/

Possible link to Parkinson's disease and other ' afflictions '

https://www.nature.com/articles/d41586-021-00260-3

It's amazing to me how the food we eat impacts the bacteria in our gut, and that bacteria can impact our physical and mental health.