Regarding Aluminum and AD : This guy's mom (he is a scientist from Harvard) had AD and he suspected it was due to aluminum toxicity. He started giving her silica water. She is now 90+ and doing fine, no AD.
He has detailed the procedure of preparing silica water at home for a few cents/gallon, instead of buying it in the open market for 3-4 bucks a bottle. He has also written a few books.
Steps to make it and where to buy the raw materials is in the article below.
Just like cholesterol the brain needs. Like with heart disease they focus on that and not triglycerides and sugar. Amyloid may be needed statin for cholesterol reduction now this for amyloid reduction. Both my have minimal affects if people don’t change lifestyle