This is an interesting presentation. Alzheimer's drugs so far have had dismal performance. But this research gives some hope and encouragement.

m.youtube.com/watch?v=iDpzQFyywkg#mce_temp_url#

Omega 3 supplements (fish oil) have had mixed or little positive results in some studies. This presentation shows it is the combination of DHA and B vitamins that show positive results.

Edit: when I am using Android operating system devices, sometimes I run into funky quirks posting links.