A growing body of research points to the role of the gut-brain axis in the development of Parkinson disease, with inflammatory bowel disease, leaky gut, and altered gut microbiota observed in the gut, often years before the onset of symptoms of Parkinson disease.
The Lancet Commission added 3 new risk factors for dementia that coupled with the previous 9 lifestyle risk factors might prevent or delay up to 40% of dementias worldwide.
