Yeah sure, here for the lazy folks who can’t exercise a little fetching…
https://www.newscientist.com/article/2383117-chronic-constipation-is-associated-with-cognitive-decline/
https://www.sciencedirect.com/science/article/pii/S2090123223003971
…and here for the extremely lazy that only rely on legacy media…
https://www.nbcnews.com/health/health-news/constipation-cognitive-decline-gut-bacteria-may-play-role-brain-health-rcna94964
& typically don’t like to post links, assuming the adults here should have the ability to figure it out on their own, if not then what’s the use?