Dietary and lifestyle guidelines for the prevention of Alzheimer's disease

The abstract does not contain them;
http://www.ncbi.nlm.nih.gov/pubmed/24913896
But this writeup does;
http://brainposts.blogspot.com/2015/02/exercise-guidelines-in-prevention-of.html

Here is the list of all 7 prevention recommendations from the manuscript. Readers can access the free full-text manuscript by clicking on the PMID link below.

Prevention Recommendations for Alzheimer's Disease

1. Minimize dietary saturated and trans fats
2. Increase intake of vegetables, fruits, legumes and grains
3. Daily vitamin E intake from foods of 15 mg
4. Daily vitamin B12 in diet or supplement with blood B12 level monitoring
5. Daily multivitamins not recommended but if used avoid those with iron and copper
6. Aluminum link to AD is controversial but avoid antacids and baking soda that contains aluminum
7. Aerobic exercise of 40 minutes at least 3 times per week

Ask your doctor for a definitive dementia prevention protocol. Not just the unusable generalities  from Mayo clinic, or the generic crap from Harvard. 

My complete list here: Don't listen to me, your doctor obviously knows more than I do. Have him/her prove that knowledge or fire them.
Dementia prevention 19 ways