This was written November 13, 2020. At that time, the majority of the community believed that amyloid plaques caused Alzheimers from a paper in 2006.
Since the paper in 2006 drug companies that spent billions of dollars in a race for a drug to decrease amyloid plaques to slow down or prevent Alzheimer's. In the trials last year, they found that while the drugs did decrease amyloid plaques, they did not impact Alzheimer's symptoms.
If the new theory of beta-amyloid proteins linked to Alzheimer's proves to be true then someone should look into if there's a link between gut and beta-amyloid proteins.
https://www.snopes.com/fact-check/mark-twain-read-newspaper-...