“Preventing Alzheimer’s” Here is a good read: https://www.healthline.com/health/alzheimers-disease-prevention
There are no foolproof preventive measures, just as there’s no known cure for Alzheimer’s. However, researchers are focusing on overall healthy lifestyle habits as ways of preventing cognitive decline.
The following measures may help:
Quit smoking
Exercise regularly
Try cognitive training exercises
Eat a plant-based diet
Consume more antioxidants
Maintain an active social life
Be sure to talk with your doctor before making any big changes in your lifestyle.