The connection between Alzheimer's and life, itself

Surely there are preventative measures that can be taken that would reduce the number of people who end up with Alzheimer’s. Or maybe that’s my technophilia bias at play. There was an article in the New York Times that suggested it might be Type 3 Diabetes that’s the cause. If that were the case, it’d be easier to prevent than the cause being a byproduct of life itself.