That's diametrically opposite to the latest research coming out [1]. There seems to be a "gut-brain axis" at work, to the point where some are starting to thin

That's diametrically opposite to the latest research coming out [1]. There seems to be a "gut-brain axis" at work, to the point where some are starting to think the gut is the starting point. We're seeing an increasing number of disorders -- psoriasis [2], lupus, schizophrenia, among others -- where there's an underlying connection to the gut microbiome and to inflammation in general caused by "pathobionts" [3]. [1] https://parkinsonsnewstoday.com/2019/02/12/understanding-gut-brain-connection-critical-parkinsons-disease/ https://parkinsonsnewstoday.com/2019/02/12/understanding-gut... [2] https://www.sciencedirect.com/science/article/pii/S0738081X18300476 https://www.sciencedirect.com/science/article/pii/S0738081X1... [3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3426444/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3426444/